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The cost of wasted peptide pales compared to using degraded or contaminated solution that produces no results or causes infection
Research-use peptide formulations are separate products in a separate regulatory category
After absorption, B12 is bound to transport proteins, 7580% to haptocorrin, which transports B12 in the blood, and 2025% to transcobalamin, which delivers B12 to the tissues, also referred to as active B12 or holo-transcobalamin
Follow-up extended 6 to 12 months with sustained benefits reported
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