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20 Primarily, NADPH provides reducing equivalents for fatty acid synthase (FASN), the main rate-limiting enzyme, to synthesize fatty acids with acetyl-CoA serving as a primer and malonyl-CoA as a two-carbon donor, 21,22 and provides the needed electrons for ironsulfur (Fe/S) protein assembly that participate in non-essential amino acid biosynthesis and lipoic acid synthesis, tRNA modification, DNA replication and repair, and telomere maintenance
B12 helps release energy from food, so a person whose blood levels are genuinely low can feel a real lift once treated
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10.1186/s40364-026-00898-z 36
AI and UL are defined by EFSA the same as in the United States
