The answer runs back fifty years, to a single researcher and a question about the human stomach
Vitamin B12 is an important nutrient that is involved in many bodily functions, including the production of red blood cells and the metabolism of carbohydrates, fats, and proteins
812 weeks (body composition, endurance) Best ForAdults experiencing metabolic slowdown, insulin resistance, low energy, or those seeking longevity-focused cellular optimization Cognitive Health Neurological Primary BenefitEnhanced focus, memory, and mental clarity
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Confocal imaging Tyrosine hydroxylase (TH)-Gal4 driven UAS-GFP lines, labeling the neurons with active dopamine synthesis pathway, were crossed with park 13 flies and progenies were exposed to Sp from 10 days AEL