Tag: Mthfr deficiency

According to the Food and Nutrition Board of the U.S. Institute of Medicine, the recommended daily allowance for total sulfur amino acids (methionine and cysteine) is 19 mg per kg of body weight for adults. Navigating how much methionine can I take safely requires careful consideration, as natural dietary intake and high-dose supplementation present very different safety profiles.

According to research published in the journal *Molecular Neurodegeneration*, excessive methionine intake was shown to have neurotoxic effects and induce memory impairment in animal models. This highlights the complex safety profile of the essential amino acid L-methionine, which is vital for health in appropriate amounts but potentially harmful in excess.

L-methionine is an essential amino acid crucial for numerous bodily functions, but excessive intake can have serious adverse effects, including elevated homocysteine levels. This raises a critical question for many: **How much is too much L-methionine?**