Blood Tests and Monitoring
High or Low TSH in Athletes: Causes and What to Do Next
Thyroid-stimulating hormone (TSH) is one of the most frequently requested blood tests in the UK, and athletes see it on almost every…
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Sports Nutrition: New Perspectives
The Story of Boron: How a Trace Mineral Became a Popular Supplement
Few supplements have had a career as unusual as boron. For most of the twentieth century it was known mainly to agronomists as a…
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Sports Nutrition: New Perspectives
L-Arginine During a Bulking Phase: Is There Any Point?
L-arginine has been printed on pre-workout tubs for more than two decades, usually alongside promises of "skin-splitting pumps" and faster…
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Comparisons: New Pairings
Alpha-GPC vs Choline Bitartrate: Which One and for Whom
Choline is an essential nutrient that most people in the UK do not get enough of, and it appears on supplement labels in several very…
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Organ Protection: New Perspectives
Telmisartan and the Liver and Kidneys: What the Evidence Shows
Telmisartan is a widely prescribed blood-pressure medicine that has attracted attention beyond cardiology because of its effects on…
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Sports Nutrition: New Perspectives
Casein During a Cutting Phase: Does It Actually Help?
Casein has a long-standing reputation as the "night-time" protein, and during a cutting phase it is often sold as insurance against muscle…
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Injectable Anabolic Steroids
Testosterone Isocaproate: A Full Review of the Risks
Testosterone isocaproate is rarely encountered on its own. It appears mainly as one of four esters in blended testosterone preparations,…
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Organ Protection
Why Athletes Take an Interest in Telmisartan
Telmisartan appears in gym conversations far more often than its licensed indications would suggest. It is a blood-pressure medicine, yet…
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Sports Nutrition: New Perspectives
The Story of BCAAs: How Three Amino Acids Became a Best-Seller
Branched-chain amino acids dominated supplement shelves for the best part of three decades. Their rise owed as much to clinical research in…
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Sports Nutrition: New Substances
How to Take Quercetin: Amounts, Timing and Duration
Quercetin is one of the most abundant flavonoids in the human diet and one of the most heavily studied. It has been examined for endurance…
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Injectable Anabolic Steroids
Boldenone Undecylenate and Suppression of Natural Testosterone Production
Boldenone undecylenate was developed for veterinary medicine and has no human licence anywhere in the UK or EU. One of its most consistent…
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Injectable Anabolic Steroids
Trenbolone Acetate: What the Substance Is and How It Acts
Trenbolone acetate occupies an outsized place in gym mythology, usually described as the most powerful anabolic agent available. Its…
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Sports Nutrition: Active Ingredients
Agmatine for Athletes: What the Evidence Base Shows
Agmatine sulfate has become a regular ingredient in pre-workout and "pump" products, usually accompanied by claims about nitric oxide, mood…
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SARMs and Research Compounds
Counterfeit Ostarine (MK-2866): What Laboratory Testing of Market Products Reveals
Ostarine, also known as MK-2866 or enobosarm, is the most widely sold selective androgen receptor modulator on the grey market. It is also…
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Peptides: New Perspectives
Somatropin (Growth Hormone) and Cancer Risk: What the Studies Say
Few questions about growth hormone generate as much argument as cancer risk. The biology is plausible enough to take seriously, the…
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