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Improper sourcing or nonpharmaceutical-grade peptides increase the likelihood of contamination-related reactions
On the other hand, a severe B12 deficiency can also lead to weight loss
[3] It plays an essential role in the nervous system by supporting myelin synthesis and is critical for the maturation of red blood cells in the bone marrow
Its important for brain health and is chosen for patients with brain-related Vitamin B12 deficiency symptoms
It has no established upper limit for toxicity at supplementation doses used in clinical practice (500 to 1,000 mcg per day)
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