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There's limited evidence that doses above 600mcg provide additional benefit
However, consult your doctor about any supplements youre taking to avoid potential interactions
22 May 2026 6 min Why do I feel worse after my B12 injection
As such, having inadequate B12 levels can decrease normal red blood cell production, which can impair oxygen delivery ( Specifically, a deficiency in B12 can cause megaloblastic anemia
5 Amino-1MQ 5mg $49.99 5 Amino-1MQ 5mg is a high-purity small-molecule research compound supplied as a lyophilized powder with a defined net content of 5 mg
Your physician will track progress through follow-up labs and assessments
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