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Peripheral vascular thrombosis: Increased risk of clotting in individuals with elevated levels

Some other medications can lead to low levels of vitamin B12 in your body

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)

Progress should be assessed through body composition analysis, circumference measurements, and photos rather than scale weight alone, as muscle preservation can mask fat loss on the scale

They must, however, transit through the digestive system before entering the bloodstream