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Researchers comparing the two should consult primary literature for each molecule rather than treating them as interchangeable
some people report headache, nausea, lightheadedness, fatigue, or changes in appetite/GI function
Usual initial dosages differ according to the class of peptide and clinical condition, but practitioners generally begin low and titrate upward in a stepwise manner while observing the effect
Anyone who has a poor diet, GI disorder, gut dysbiosis (imbalanced gut microbiome), or gut inflammation will not be able to absorb oral vitamins
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