Independent editorial coverage of sports nutrition, athlete health and the science behind performance.
Insulin-like growth factor 1 (IGF-1) is one of the most informative markers of the growth-hormone axis, and clinicians in the UK use it to…
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ZMA — a blend of zinc, magnesium and vitamin B6 — is one of those supplements that seems to have always been on the shelf, yet it has a…
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Few nutrients attract as many confident claims as vitamin B12. It is sold as an energy booster, an injectable pick-me-up, a cure for…
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Anastrozole is a prescription medicine best known for its role in treating hormone-receptor-positive breast cancer in postmenopausal women.…
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Menotropin — human menopausal gonadotrophin, or hMG — is a prescription fertility medicine that supplies the hormones FSH and LH to…
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Insulin is the hormone that lets the body use glucose for energy, and as a medicine it is indispensable and life-saving for people with…
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Tongkat Ali, the root of the Southeast Asian plant Eurycoma longifolia, has become a popular herbal supplement among athletes who hope to…
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Ostarine and RAD-140 are two of the most talked-about SARMs — selective androgen receptor modulators — marketed online to people seeking…
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Beef protein isolate has carved out a niche in the supplement aisle as an alternative to whey, marketed especially to those who avoid…
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Resveratrol, a plant compound found in grapes, red wine and berries, is sold as a supplement promising benefits for ageing, heart health…
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Testosterone propionate is a short-acting ester of testosterone, used medically for hormone replacement and widely known in the context of…
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Vitamin D3 is one of the few supplements that public health bodies actively recommend, particularly in a cloudy northern country like the…
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Tirzepatide is a newer prescription medicine for type 2 diabetes and obesity, acting on two gut-hormone pathways to lower blood sugar and…
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Methyltestosterone is one of the oldest orally active anabolic-androgenic steroids, a chemically modified form of testosterone designed to…
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Telmisartan is a widely prescribed medicine for high blood pressure, but it has attracted interest beyond cardiology because of laboratory…
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