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Research suggests DSIP may promote slow-wave (deep) sleep, which supports recovery, hormone regulation, and cognitive function
Anything that does cross the intestinal wall enters the portal vein and goes directly to the liver before reaching systemic circulation
Its highest in animal products like beef, lamb, pork, poultry, fish, and dairy products
A common formula blends methionine, inositol, choline, and L-carnitine with B-vitamins like B1 and B5, and sometimes B12
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