Hydroxocobalamin has a longer retention and is used for specific patient needs
Our analytical verification programme includes assay determination, purity confirmation, FTIR spectrum identification, retention time verification, molecular ion mass identification, endotoxin screening, microbiological analysis and comprehensive heavy metal testing
Vitamin B12 Absorption in the Body This important vitamin is absorbed in the ileus part of the intestine
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Its important to note that due to the novelty of it and the ongoing research, comprehensive data on side effects might be limited

Active B12: Each capsule provides 1 mg vitamin B12 as methylcobalamin, which is more efficiently used by the body compared to other forms of vitamin B12, like cyanocobalamin Heart & Brain Health: Supports a normal level of homocysteine in the body to benefit healthy cardiac function, blood cell formation, and optimal nerve function* Sleep Support: Helps maintain normal circadian rhythms to support restful sleep and supports healthy methylation processes in the body* Third-Party Certified: This product has been third-party tested and certified to verify what's in the package matches what's on the label and to confirm it contains no unsafe levels of contaminants Trusted: Thorne is trusted by 100+ professional sports teams and the #1 most recommended clinical brand by consumers and health-care practitioners (Based on a 2026 independent survey of US supplement consumers and health-care practitioners)