INGREDIENT | DOES information technology WORK? | IS information technology SAFE? | BOTTOM LINE |
Antioxidants (vitamin C, vitamin E, in addition to coenzyme Q10) You breathe inwards to a greater extent than oxygen when you lot exercise. As a result, complimentary radicals cast in addition to harm musculus cells. Because antioxidants tin bring down free-radical harm to muscle, some people mean value that taking them inwards a supplement mightiness bring down musculus inflammation, soreness, in addition to fatigue. | Does it work? No. The complimentary radicals that cast when you lot do seem to assist musculus fibers grow in addition to hit to a greater extent than energy. Antioxidant supplements mightiness genuinely bring down some of the benefits of exercise, including musculus growth in addition to powerfulness output. Also, they receive got piddling outcome on aerobic fitness in addition to functioning inwards endurance activities similar distance running. | Is it safe? Everyone needs adequate amounts of vitamin C in addition to vitamin E for goodness health. Getting besides much of these nutrients tin live harmful, but the amounts of vitamin C (about 1,000 milligrams) in addition to vitamin E (about 500 IU) typically used inwards studies of functioning supplements are below prophylactic upper limits. The side effects from coenzyme Q10 tin include tiredness, insomnia, headaches, in addition to some gastrointestinal (GI) discomfort, but these effects tend to live mild. | Bottom Line There’s piddling scientific evidence to back upwards taking supplements containing vitamins C in addition to E or coenzyme Q10 to ameliorate functioning if you’re getting adequate amounts of these nutrients from a nutritious diet. |
Arginine Arginine is an amino acid inwards foods that incorporate protein, similar meat, poultry, fish, eggs, dairy products, in addition to legumes. Influenza A virus subtype H5N1 nutritious diet supplies almost 4 to v grams a day. Supplement sellers claim that taking larger amounts of arginine inwards supplements improves performance, partly because the body converts it into nitric oxide, which expands blood vessels in addition to increases blood flow. Increased blood current helps deliver oxygen in addition to nutrients to exercising musculus in addition to speeds upwards the removal of waste materials products that displace musculus fatigue. | Does it work? Although the enquiry is limited, arginine supplements seem to receive got piddling to no outcome on strengthening in addition to muscle-building exercises (like bodybuilding) or aerobic activities (like running in addition to cycling). Studies receive got used 2 to twenty grams a 24-hour interval of arginine for upwards to 3 months. | Is it safe? Arginine supplements seem prophylactic when users receive got upwards to nine grams a 24-hour interval for several days or weeks. Taking to a greater extent than tin displace GI discomfort in addition to tin slightly lower blood pressure. | Bottom Line There’s piddling scientific evidence to back upwards taking arginine supplements to increment strength, ameliorate performance, or assist tired in addition to sore muscles recover after exercise. |
Beetroot or beet juice Beets in addition to beet juice are amid the best nutrient sources of nitrate. Beet juice mightiness ameliorate athletic functioning because the body converts some of this nitrate to nitric oxide, which expands blood vessels. This blood vessel expansion increases blood current in addition to the delivery of oxygen in addition to nutrients to exercising muscle. The expanded blood vessels also speed upwards the removal of waste materials products that displace musculus fatigue. | Does it work? Many, but non all, studies receive got constitute that beet juice tin ameliorate functioning in addition to endurance inwards aerobic activities similar running, swimming, cycling, in addition to rowing. But whether it helps amongst strengthening in addition to bodybuilding exercises isn’t known. Beet juice is to a greater extent than probable to ameliorate the functioning of recreational exercisers than highly-trained athletes. The usual approach inwards studies is for participants to imbibe 2 cups of beet juice almost 2.5 to 3 hours earlier exercise. | Is it safe? Drinking moderate amounts of beet juice is safe, but it tin plough your urine pinkish or red. | Bottom Line Beet juice mightiness ameliorate aerobic do functioning if you’re recreationally active. But whether dietary supplements containing beetroot pulverisation receive got the same effects equally beet juice isn’t known. |
Beta-alanine Beta-alanine is an amino acid inwards foods such equally meat, poultry, in addition to fish. People acquire upwards to almost 1 gram a 24-hour interval of beta-alanine, depending on their diet. Your body uses beta-alanine to create carnosine inwards skeletal muscles. When you lot do intensely for several minutes, your muscles hit lactic acid, which reduces muscular forcefulness in addition to causes tiredness. Carnosine reduces the buildup of lactic acid. Beta-alanine supplements increment musculus carnosine levels past times dissimilar amounts, depending on the person. | Does it work? Some, but non all, studies receive got shown that beta-alanine produces little functioning improvements inwards swimming in addition to squad sports, similar hockey in addition to football, that require high-intensity, intermittent attempt over curt periods. Whether beta-alanine helps amongst endurance activities similar cycling isn’t clear. It’s also non clear whether beta-alanine mainly benefits trained athletes or recreational exercisers. In most studies, participants took 1.6 to 6.4 grams a 24-hour interval of beta-alanine for 4 to 8 weeks. | Is it safe? Taking 800 milligrams or to a greater extent than beta-alanine tin displace moderate to severe paresthesia, a tingling, prickling, or burning sensation inwards your face, neck, dorsum of the hands, in addition to upper trunk. This outcome tin concluding threescore to xc minutes but is non considered serious or harmful. Taking divided doses or a sustained-release cast of beta-alanine tin bring down or eliminate this paresthesia. It isn’t known whether it’s prophylactic to receive got beta-alanine supplements daily for to a greater extent than than several months. | Bottom Line Sports-medicine experts disagree on the value of taking beta-alanine supplements to heighten functioning inwards high-intensity, intermittent activities. The International Society of Sports Nutrition recommends that if you lot are salubrious in addition to desire to attempt beta-alanine supplements, receive got a daily loading dose of 4 to vi grams per 24-hour interval (in divided doses amongst meals) for at to the lowest degree 2 weeks to consider if it helps. |
Beta-hydroxy-beta-methylbutyrate (HMB) Your body converts a little amount of leucine, 1 of the amino acids inwards foods in addition to poly peptide powders, to HMB. Your liver in addition to then converts the HMB into some other chemical compound that experts mean value helps musculus cells restore their construction in addition to component division after exercise. HMB also helps create poly peptide inwards musculus in addition to reduces muscle-protein breakdown. | Does it work? It’s difficult to know whether you lot mightiness do goodness from using HMB supplements because the enquiry on these supplements has included adults of really dissimilar ages in addition to fitness levels who took widely varying doses for dissimilar amounts of time. Overall, HMB seems to speed upwards recovery from do that’s intense plenty in addition to long plenty to displace musculus damage. Therefore, if you’re a trained athlete, you’ll ask to exert yourself to a greater extent than than recreationally active people to displace the musculus harm that HMB mightiness assist treat. | Is it safe? Studies haven’t reported whatever side effects inwards adults taking 3 grams per 24-hour interval of HMB for upwards to 8 weeks. | Bottom Line It’s non clear whether taking HMB supplements volition ameliorate athletic performance. The International Society of Sports Nutrition recommends that if you lot are a salubrious adult who wants to attempt HMB supplements, to receive got 3 grams per 24-hour interval inwards iii equal servings of 1 gram for at to the lowest degree 2 weeks to consider if it helps. HMB comes inwards 2 forms: 1 amongst calcium in addition to 1 without. Influenza A virus subtype H5N1 dose of 3 grams of the type amongst calcium supplies almost 400 milligrams of calcium. |
Betaine Your body makes betaine, in addition to it is also constitute inwards foods such equally beets, spinach, in addition to whole-grain bread. You acquire almost 100 to 300 milligrams a 24-hour interval of betaine when you lot eat a nutritious diet. How betaine supplements mightiness comport upon or ameliorate your functioning isn’t known. | Does it work? Only a few, generally small, studies receive got evaluated betaine equally a functioning supplement. Most of these studies examined the role of betaine supplements to ameliorate strength in addition to powerfulness functioning inwards bodybuilders. The studies constitute either no functioning improvements or alone small-scale ones. Participants inwards these studies took 2 to v grams a 24-hour interval of betaine for upwards to xv days. | Is it safe? The few studies inwards which athletes took betaine supplements didn’t honor whatever side effects. But at that spot hasn’t been plenty enquiry to know for for sure whether it’s genuinely safe. | Bottom Line There’s piddling scientific evidence to back upwards taking betaine supplements to ameliorate functioning if you lot eat a nutritious diet. |
Branched-chain amino acids (BCAAs) The amino acids leucine, isoleucine, in addition to valine are known equally BCAAs. Animal foods, similar meat, fish, in addition to milk, incorporate BCAAs. Your muscles tin role these iii amino acids to render liberate energy during exercise. Leucine mightiness also assist create muscle. | Does it work? There’s piddling evidence that BCAA supplements ameliorate functioning inwards endurance activities similar distance running. BCAA supplements mightiness assist increment your musculus size in addition to strength together amongst a weight-training program. But it isn’t clear whether taking BCAA supplements volition assist you lot create to a greater extent than musculus than precisely eating plenty high-quality poly peptide foods. | Is it safe? A nutritious diet amongst plenty poly peptide tin easily render 10 to twenty grams a 24-hour interval of the BCAAs. Taking upwards to some other twenty grams a 24-hour interval of BCAAs inwards supplements seems to live safe. | Bottom Line There’s non much scientific evidence to back upwards taking BCAA supplements to ameliorate performance, create muscle, or assist tired in addition to sore muscles to recover after exercise. Eating foods containing poly peptide automatically increases your intake of BCAAs. |
Caffeine Caffeine is a stimulant inwards beverages (like coffee, tea, in addition to liberate energy drinks) in addition to inwards herbs (such equally guarana in addition to kola nut). Caffeine is also added to some dietary supplements. Moderate amounts of caffeine mightiness increment your liberate energy levels in addition to bring down fatigue for several hours. | Does it work? Caffeine mightiness ameliorate endurance, strength, in addition to powerfulness inwards squad sports. It’s most probable to assist amongst endurance activities (such equally distance running) in addition to sports that require intense, intermittent attempt (like soccer in addition to tennis). Caffeine doesn’t assist amongst short, intense do similar sprinting or weightlifting. People receive got dissimilar responses to caffeine. It doesn’t boost functioning inwards everyone, or may alone slightly boost performance. The usual dose of caffeine to assist functioning is 2 to vi milligrams per kilogram of body weight, or almost 210 to 420 mg caffeine for a 154-pound person. (By comparison, a loving cup of java has almost 85 to 100 milligrams of caffeine.) Taking to a greater extent than in all likelihood doesn’t ameliorate functioning farther in addition to tin increment the hazard of side effects. | Is it safe? Caffeine intakes of upwards to 400 to 500 milligrams a 24-hour interval seem prophylactic inwards adults. Teenagers should bound their caffeine intake to no to a greater extent than than 100 milligrams a day. Taking 500 milligrams or to a greater extent than a 24-hour interval tin bring down rather than ameliorate physical performance, disturb sleep, in addition to displace irritability in addition to anxiety. Taking 10,000 milligrams or to a greater extent than inwards a unmarried dose (one tablespoon of pure caffeine powder) tin live fatal. | Bottom Line Sports-medicine experts grip that caffeine tin assist you lot do at the same intensity grade for longer in addition to bring down feelings of fatigue. They advise taking 2 to vi milligrams per kilogram of body weight xv to threescore minutes earlier you lot exercise. The National Collegiate Athletic Association in addition to International Olympic Committee bound the amount of caffeine that athletes tin receive got earlier a competition. |
Citrulline Citrulline is an amino acid that your body produces; it is also introduce inwards some foods. Your kidneys convert most citrulline into some other amino acid, arginine. Your body in addition to then transforms the arginine into nitric oxide, which expands blood vessels. This expansion increases blood current in addition to the delivery of oxygen in addition to nutrients to exercising muscles in addition to speeds upwards the removal of waste materials products that displace musculus fatigue. | Does it work? The enquiry on citrulline equally a functioning supplement is limited. The few studies honor that citrulline mightiness assist improve, hinder, or receive got no outcome on performance. In these studies, participants took upwards to nine grams of citrulline for 1 24-hour interval or vi grams per 24-hour interval for upwards to xvi days. | Is it safe? There isn’t plenty enquiry on citrulline to know for for sure whether it’s safe. Some users receive got reported that it tin displace tummy discomfort. | Bottom Line There’s non much scientific evidence to back upwards taking citrulline supplements to ameliorate do or athletic performance. |
Creatine Creatine is a chemical compound that is stored inwards your muscles in addition to supplies them amongst energy. Your body produces some creatine (about 1 gram a day), in addition to you lot acquire some creatine from eating animal-based foods, such equally beef in addition to salmon (about 500 milligrams inwards a 4-ounce serving). But it is alone when you lot receive got much larger amounts of creatine from dietary supplements that it mightiness ameliorate for sure types of performance. | Does it work? Creatine supplements tin increment strength, power, in addition to the powerfulness to contract muscles for maximum effort. But the extent of functioning improvements from creatine supplements differs amid individuals. Use of creatine supplements for several weeks or months tin assist amongst training. Overall, creatine enhances functioning during repeated curt bursts of intense, intermittent activity (lasting upwards to almost 2.5 minutes at a time), such equally sprinting in addition to weight lifting. Creatine seems to receive got piddling value for endurance activities, such equally distance running, cycling, or swimming. | Is it safe? Creatine is prophylactic for salubrious adults to receive got for several weeks or months. It also seems prophylactic for long-term role over several years. Creatine unremarkably causes some weight gain because it increases H2O retention. Rare private reactions to creatine include some musculus stiffness in addition to cramps equally good equally GI distress. | Bottom Line Sports-medicine experts grip that creatine supplements tin ameliorate functioning inwards activities that involve intense attempt followed past times curt recovery periods. It tin also live valuable inwards preparation for for sure athletic competitions. In studies, people oft took a loading dose of almost twenty grams per 24-hour interval of creatine (in 4 equal portions) for v to seven days in addition to in addition to then 3 to v grams a day. Creatine monohydrate is the most widely used in addition to studied cast of creatine inwards supplements. |
Deer antler velvet Deer antler velvet supplements are made from the antlers of deer or elk earlier the antlers plough into bone. Deer antlers mightiness incorporate growth factors that could promote musculus growth. | Does it work? There’s been piddling enquiry on role of deer antler velvet to ameliorate functioning inwards either strength or endurance activities. The few published studies receive got constitute no do goodness from taking the supplement. | Is it safe? Deer antler velvet hasn’t been studied plenty to know whether taking it is safe. | Bottom Line There’s no scientific evidence to back upwards taking deer antler velvet supplements to ameliorate do or athletic performance. |
Dehydroepiandrosterone (DHEA) DHEA is a steroid hormone produced past times the adrenal glands. Your body converts some DHEA into testosterone, the manlike mortal hormone that enhances musculus size in addition to strength. | Does it work? There’s been piddling study of the role of DHEA supplements to ameliorate performance. The few published studies (all inwards men) receive got constitute no do goodness from taking the supplement. Muscle size or strength in addition to aerobic capacity didn’t improve, in addition to testosterone levels didn’t rise. | Is it safe? DHEA hasn’t been studied plenty to know whether it’s prophylactic to take. Two little studies inwards men constitute no side effects. But inwards women, taking DHEA supplements for months tin increment testosterone levels, which tin displace acne in addition to facial pilus growth. | Bottom Line There’s no scientific evidence to back upwards taking DHEA to ameliorate do or athletic performance. The National Collegiate Athletic Association in addition to the World Anti-Doping Agency prohibit the role of DHEA inwards athletic competitions. |
Ginseng Ginseng is the origin of a flora used for thousands of years inwards traditional Chinese medicine. Some experts believe that Panax (also known equally Chinese, Korean, Japanese, or American) ginseng mightiness ameliorate stamina in addition to vitality. Siberian or Russian ginseng has been used to struggle fatigue in addition to strengthen the immune system. | Does it work? Several little studies receive got examined whether Panax or Siberian ginseng supplements tin ameliorate performance. This enquiry provides piddling evidence that diverse doses in addition to preparations of these supplements ameliorate functioning inwards athletes or recreational exercisers. | Is it safe? Both Panax in addition to Siberian ginseng seem to live safe. However, ginseng supplements tin displace headaches or GI effects in addition to disturb sleep. | Bottom Line There’s piddling scientific evidence to back upwards taking ginseng supplements to ameliorate do or athletic performance. |
Glutamine Glutamine is an amino acid that your body uses to hit energy. Adults swallow almost 3 to vi grams a 24-hour interval from protein-containing foods such equally meat, poultry, fish, eggs, dairy products, in addition to legumes. Your body also makes some glutamine, mainly from BCAAs. | Does it work? Only a few studies receive got examined the role of glutamine supplements for improving functioning inwards strengthening in addition to muscle-building exercises (like bodybuilding) in addition to for recovering from these exercises (for example, past times reducing musculus soreness). Glutamine has either no outcome or provides alone a little benefit. | Is it safe? Studies haven’t reported whatever side effects from the role of upwards to 45 grams a 24-hour interval of glutamine for several weeks inwards adults. | Bottom Line There’s piddling scientific evidence to back upwards taking glutamine supplements to ameliorate do or athletic performance. |
Iron Iron is a mineral that delivers oxygen to muscles in addition to tissues throughout your body. Cells also ask Fe to plough nutrient into energy. Iron deficiency, particularly amongst anemia, limits your powerfulness to do in addition to live active because it makes you lot tired in addition to reduces your performance. The recommended amount of Fe to acquire each 24-hour interval is eleven milligrams for teenage boys, xv milligrams for teenage girls, 8 milligrams for men to historic menstruation 50, eighteen milligrams for women to historic menstruation 50, in addition to 8 milligrams for older adults of both sexes. Recommended amounts are fifty-fifty higher for athletes, vegetarians, in addition to vegans. Teenage girls in addition to premenopausal women receive got the greatest hazard of non getting plenty Fe from their diets. | Does it work? For people amongst Fe deficiency anemia, taking an Fe supplement volition in all likelihood ameliorate functioning inwards both strength in addition to endurance activities. But if you lot acquire plenty Fe from your diet, taking extra Fe won’t help. It’s non clear whether milder Fe deficiency without anemia reduces do in addition to athletic performance. | Is it safe? Taking less than 45 milligrams of Fe inwards a supplement is prophylactic for teenagers in addition to adults. Higher doses tin displace upset stomach, constipation, nausea, abdominal pain, vomiting, in addition to fainting. However, doctors sometimes prescribe large amounts of Fe for a curt fourth dimension to process iron-deficiency anemia. | Bottom Line Taking plenty Fe inwards supplements to process iron-deficiency anemia improves do capacity. But a healthcare provider should diagnose this status earlier you lot get-go taking Fe supplements. If you lot desire to ameliorate your athletic performance, you lot should eat a salubrious diet containing foods rich inwards iron, such equally lean meats, seafood, poultry, beans, nuts, in addition to raisins. If needed, an iron-containing dietary supplement tin assist you lot acquire the recommended amount of iron. |
Protein Protein helps to build, maintain, in addition to repair your muscles. It improves your body’s response to athletic preparation in addition to helps shorten the fourth dimension you lot ask to recover after exercise. Protein is made from amino acids. Your body makes some amino acids but needs to acquire others (known equally essential amino acids or EAAs) from food. Animal foods similar meat, poultry, fish, eggs, in addition to dairy products incorporate all of the EAAs. Plant foods similar grains in addition to legumes incorporate dissimilar EAAs, so eating a diet containing dissimilar types of plant-based foods is 1 agency to acquire all EAAs. Most poly peptide powders in addition to drinks incorporate whey, a poly peptide inwards milk that provides all the EAAs. | Does it work? Adequate poly peptide inwards your diet provides the EAAs necessary for making musculus proteins in addition to reduces the breakdown of proteins inwards your muscles. Athletes ask almost 0.5 to 0.9 grams of poly peptide per pound of body weight a 24-hour interval (or almost 75 to 135 grams for a mortal weighing 150 pounds). You mightiness ask fifty-fifty to a greater extent than for a curt fourth dimension when you’re preparation intensely or if you lot bring down your nutrient intake to ameliorate your physique or scope a contest weight. | Is it safe? High intakes of poly peptide seem to live quite safe, but at that spot is no do goodness to consuming to a greater extent than than recommended amounts. | Bottom Line If you lot are an athlete, you lot tin in all likelihood eat plenty foods that incorporate poly peptide to encounter your needs for protein. If needed, poly peptide supplements in addition to protein-fortified nutrient in addition to imbibe products tin assist you lot acquire plenty protein. Sports-science experts recommend that athletes swallow 0.14 grams of poly peptide per pound of body weight (about twenty grams for a mortal weighing 150 pounds) of high-quality poly peptide (from animate existence foods and/or a mix of dissimilar flora foods) every 3 to v hours, including earlier slumber in addition to inside 2 hours after exercising. |
Quercetin Quercetin is a chemical compound constitute inwards fruits, vegetables, in addition to some beverages (like tea). Some experts advise that quercetin supplements increment liberate energy production inwards musculus in addition to ameliorate blood current throughout your body. Influenza A virus subtype H5N1 nutritious diet provides upwards to almost xiii milligrams a 24-hour interval of quercetin. | Does it work? There’s express enquiry on the role of quercetin supplements to ameliorate performance. The studies constitute that whatever benefits, when they occur, tend to live small. In these studies, participants took almost 1,000 milligrams a 24-hour interval of quercetin for upwards to 8 weeks. | Is it safe? The studies of quercetin supplements didn’t honor whatever side effects inwards the athletes who took them. But quercetin hasn’t been studied plenty to know whether it’s genuinely safe. | Bottom Line There’s piddling scientific evidence to back upwards taking quercetin supplements to ameliorate do or athletic performance. |
Ribose Ribose is a natural saccharide your body makes that helps amongst liberate energy production inwards muscle. Some scientists believe that ribose supplements assist muscles hit to a greater extent than energy. | Does it work? There’s been piddling study of the role of ribose supplements to ameliorate performance. The few published studies inwards both trained athletes in addition to occasional exercisers receive got shown piddling if whatever do goodness from doses ranging from 625 milligrams to 10,000 milligrams a 24-hour interval for upwards to 8 weeks. | Is it safe? The studies of athletes taking ribose supplements receive got constitute no side effects. But ribose hasn’t been studied plenty to know whether it’s genuinely prophylactic when taken inwards large amounts for several months or more. | Bottom Line There’s really piddling scientific evidence to back upwards taking ribose supplements to ameliorate do or athletic performance. |
Sodium bicarbonate Sodium bicarbonate is commonly known equally baking soda. Exercising intensely over several minutes causes muscles to hit acids, such equally lactic acid, that bring down musculus forcefulness in addition to displace tiredness. Sodium bicarbonate tin bring down the buildup of these acids. | Does it work? Studies demo that athletes who receive got sodium bicarbonate mightiness ameliorate their functioning a piddling inwards intense, short-term activities (like sprinting in addition to swimming) in addition to inwards intermittently intense sports (like lawn tennis in addition to boxing). But dissimilar athletes response differently to sodium bicarbonate. Sodium bicarbonate mightiness genuinely hinder functioning inwards some people. The usual dose taken is 300 milligrams per kilogram of body weight, or almost 4 to v teaspoons of baking soda. Some people honor this amount of sodium bicarbonate, dissolved inwards liquid, besides salty to drink. | Is it safe? Sodium bicarbonate tin displace GI distress, including nausea in addition to vomiting, in addition to weight gain due to H2O retention. It is also high inwards sodium (1,260 milligrams per teaspoon). | Bottom Line Sodium bicarbonate mightiness render some functioning do goodness inwards strenuous do that lasts several minutes in addition to inwards sports that require intermittent, intense activity, particularly for trained athletes. However, inwards some people, sodium bicarbonate provides no functioning benefit, in addition to it tin fifty-fifty bring down performance. |
Tart or sour cherry Tart or sour cherries of the Montmorency multifariousness incorporate compounds that mightiness assist you lot recover from strenuous exercise. Specifically, these cherries mightiness assist to bring down pain, musculus harm from strength-related activities, in addition to lung trauma from endurance activities that require deep, heavy breathing. | Does it work? There’s express enquiry on tart cherry equally a functioning supplement. The studies that receive got been done advise that it mightiness assist bodybuilders recover their strength faster in addition to experience less musculus soreness after exercising. The supplements could also assist runners race faster in addition to live less probable to develop a mutual depression temperature or respiratory work after a marathon. The typical dose is almost 2 cups of juice or 500 milligrams of tart-cherry-skin pulverisation for a calendar week earlier the do in addition to for 2 days afterwards. | Is it safe? Studies of tart-cherry products inwards athletes receive got non constitute whatever side effects. But the security of tart-cherry supplements has non been good studied. | Bottom Line There’s express scientific evidence to back upwards taking tart-cherry products to ameliorate do in addition to athletic performance. |
Tribulus terrestris Tribulus terrestris is a flora containing compounds that some sellers claim tin ameliorate functioning past times increasing levels of several hormones, including the manlike mortal hormone testosterone. | Does it work? There’s express enquiry on the role of Tribulus terrestris supplements to increment strength or musculus mass. The few studies investigating it did non honor that it had whatever benefit. | Is it safe? Tribulus terrestris hasn’t been studied plenty to know whether it’s safe. Studies inwards animals demo that high doses tin displace heart, liver, in addition to kidney damage. | Bottom Line There’s no scientific back upwards for taking Tribulus terrestris supplements to ameliorate do or athletic performance. Some sports-medicine experts advise against taking whatever dietary supplements claimed to boost testosterone. |