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Siegel, 1961): Absorption tests with food, using a flushing vitamin B12 injection to estimate absorption, indicate a reduction of the passive absorption by about 40% when supplements are taken with food rather than when fasting
Some physicians limit B12 shots only to those with documented deficiencies or absorption issues to prevent unnecessary treatment where dietary B12 is sufficient
Collagen synthesis requires amino acids, particularly glycine, proline, and hydroxyproline
Once peptides have been received, it is imperative that they are kept cold and away from light
All research supplies including bacteriostatic water are sold separately
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