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No peptide or medication can fully overcome the metabolic headwinds created by chronic sleep deprivation and unmanaged stress

So if you are a vegan you may be more likely to become vitamin B12 deficient Medicines Certain medications can reduce the way that vitamin B12 is absorbed by your body, or make vitamin B12 deficiency worse

And it extended their life span

Seek medical advice if you are taking B12 supplements and experience: Persistent skin changes, particularly acne-like eruptions or rosacea worsening Unexplained headaches or dizziness that coincide with supplement use Gastrointestinal symptoms including nausea or abdominal discomfort Any allergic reactions such as rash or itching Call 999 or go to A&E immediately if you experience: Difficulty breathing Swelling of the face, lips, tongue or throat Severe rash or itching Other symptoms of severe allergic reaction after taking B12 These symptoms warrant review of your supplementation regimen