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Theyre beneficial
Cellular NAD+ levels decline with age and metabolic stress, which may contribute to reduced mitochondrial function and impaired cellular resilience [8]
Competitive athletes should use caution because many anabolic agents, peptide hormones, growth factors, and hormone modulators are prohibited under anti-doping rules
Adequate maternal intake is important for both the mother and infant during nursing, and maternal requirements for vitamin B12 increase during lactation
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