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6 Both groups also noticed that this relatively acid- and heat-stable polypeptide required disulfide bonds for activity and was sensitive to disulfide-reducing agent dithiothreitol

They are also rich in cysteine, an amino acid that promotes glutathione production

The right jugular veins of the rats were catheterized with sterile polyurethane Hydrocoat catheters (Access Technologies, Skokie, Ill., USA) under ketamine (Fort Dodge Animal Health, Fort Dodge, Iowa, USA) and isoflurane (Vet One, MWI, Meridian, Id., USA) anesthesia

Not FDA-approved for human use it's categorized as a research chemical

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Benefits include improved insulin sensitivity, mitochondrial resilience, metabolic regulation, and anti-inflammatory signaling