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Plateau and Continued Improvement Some users experience rapid early gains followed by a plateau where progress slows or temporarily stalls
The serine deprivation-dependent induction is regulated by the activating transcription factor 4 (ATF4) and can be reversed by the addition of glycine and serine, but not by other amino acids like leucine or cysteine (Hamano et al., 2020)
However, abnormally high long-chain acetylcarnitines can aggravate mitochondrial damage
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