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Commonly used for performance enhancement, anabolic steroids are synthetic versions of the male sex hormone, testosterone
[137] Laboratory [edit] The complete laboratory synthesis of B 12 was achieved by Robert Burns Woodward [138] and Albert Eschenmoser in 1972
It is important to note that this mechanism, while biologically plausible, is not yet validated by large-scale controlled trials, and individual results vary considerably depending on baseline melanin levels, skin type, and dosage
Test tube absorbance comes from unreacted glutathione and sample interferences
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