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When your body doesnt have enough vitamin B12, myelin is produced differently and your nervous system functions improperly
Good sources of protein: Your body needs protein to produce glutathione in the first place
Vitamin B12 can be found in various foods, especially in dairy products such as milk and cheese and in red meat and fish
10.1161/CIRCULATIONAHA.123.065251 174
Food and Drug Administration (FDA) for safety or efficacy
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