Paul Coates, former director of the Office of Dietary Supplements at the National Institutes of Health, reviewed many of the scientific studies on Protandim, including the one demonstrating a 7% increase in lifespan for male mice, and said he found them to be largely well designed, if small in scope
Modern peptide synthesis is dominated by solid-phase peptide synthesis (SPPS), which allows for the creation of a highly pure synthetic peptide, pioneered by Bruce Merrifield and refined over decades
TB-500, meanwhile, is a synthetic analogue of thymosin beta-4, a ubiquitously expressed 43-amino acid polypeptide involved in cellular differentiation and tissue remodeling
Of 492 patients identified, 382 (78%) were receiving injections more frequently than the recommended three monthly dose of hydroxocobalamin