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The research supports both approaches depending on what you are optimizing for
5 The average intake of vitamin B 12 in the United States is 3.4 mcg per day, and the recommended dietary allowance is 2.4 mcg per day for adult men and nonpregnant women, and 2.6 mcg per day for pregnant women
Treatment: B12 Injections vs
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This is critical for tissue repair because damaged tissue frequently suffers from impaired vascular supply, and healing cannot proceed at scale without adequate blood flow
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