Dosing protocols are not standardized
Microbiota-driven ACh dysregulation is validated in inflammatory bowel disease (IBD) models: Dysbiosis-induced choline deficiency is reversed by cytidine diphosphate (CDP)-choline supplementation, which upregulates choline transporter (ChT1), acetylcholinesterase (AChE), and 7 nicotinic acetylcholine receptor (7nAChR) expression to restore neurotransmission (Vernino et al., 2000)
When the researchers delivered GLP-1 to this brain area in mice, it reduced their desire for "rewarding food, like a burger," says Ali D

For nail, hair, and skin May help moderate the appearance of wrinkles and blemishes Made with hypoallergenic ingredients Hair/Skin/Nails Ultra is a blend of key building blocks to support healthy skin elasticity and hydration, healthy hair, and nail strength and thickness. Healthy Skin Support: Vitamin C, zinc, copper, manganese, and silica are integral collagen and keratin cofactors, promoting skin elasticity.* Healthy Hair Support: PABA supports the appearance of healthy hair through its effects on melanin metabolism.* Healthy Nail Support: Hair/Skin/Nails Ultra provides biotin that may help reinforce the keratin structure of the nails, promoting strength and thickness.* INGREDIENTS: Each serving size (2 capsules) contains: Vitamin C 250 mg, Niacin 20 mg, Folate 667 mcg DFE, Biotin 6 mg, Zinc 30 mg, Copper 1 mg, Manganese 2 mg, Silica 30 mg, PABA 150 mg, BioCell Collagen hydrolyzed collagen complex 500 mg, Grape seed extract 140 mg, CoQ10 60 mg