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By price per mg, Prime Peptides is the lowest in our table at $6/mg
Bioavailability: This refers to the amount of B12 available for your body to use after ingestion
Gastro-Resistant Capsules: Designed to withstand stomach acids, these do not always guarantee effective absorption because of enzymatic breakdown
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Even with a research history dating back to the 1970s, DSIP has somewhat fallen out of the scientific literature in the past 20-30 years, and much about its health applications is subject to debate
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