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While the test focuses on peptide and metabolic genetic markers rather than B12-specific variants, it can reveal broader predispositions in genes like FTO and MC4R that relate to metabolic efficiency
Nature 600, 197199
DSIP, short for Delta Sleep-Inducing Peptide, is a naturally occurring peptide that was first identified in the 1970s
Also, go in if you cannot keep fluids down
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