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The only structural difference is the first amino acid: glycine vs alanine
American Family Physician, 96(6), 384-388
You can choose between the deltoid (upper arm) or the gluteal muscle (hip/upper buttock), depending on your comfort
You may be an ideal candidate for vitamin B12 injections at Aspire MedSpa and Beauty Bar if: You have or are at risk for vitamin B12 deficiency
Treatment is usually recommended once every 3 months
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