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World J Gastroenterol, 2017
Longevity protocol: Dose: 0.5-1mg daily (lower end) Frequency: 3-5 times weekly Cycle: 8 weeks on, 4 weeks off, indefinite repetition Combine with: Overall health optimization (sleep, nutrition, exercise) Lower doses for longevity reduce cost and theoretical concerns about long-term copper peptide use while potentially maintaining meaningful benefits
Pharmacy licensed in your state, with compounding accreditation (USP, state board, inspections): The pharmacy that fills your prescription must be licensed in your state
Some health problems can make it hard for the body to take in vitamin B12
doi:10.1042/BST20120066
Quality issues occasionally emerge
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