Pay in 4 interest-free payments of $6.32 Learn more
Ships within 48 hours · Estimated delivery Sep 2 - Sep 7
Unopened powder: refrigerate, or freeze for the long haul Lyophilized peptides are far more stable than liquid solutions
Vitamin B12, also known as cobalamin, is a water-soluble vitamin essential for: Red blood cell formation Nervous system health DNA synthesis Brain function Energy metabolism A lack of vitamin B12 can lead to symptoms such as fatigue, depression, and memory problems, and if left untreated, it may even cause lasting neurological damage
As of June 2026, TB-500 is in a transitional period
Estimated delivery: approximately 2 weeks
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