ONCE › Ingredients
Every ingredient, and why it is there
Nineteen actives, every milligram printed on the panel, no proprietary blends. Each page below covers what the ingredient is, why it is in the formula, why that exact dose, the form we require from the manufacturer, and where the evidence stops.
Skin
Collagen peptides
5 g
Collagen is the protein that holds skin firm. Hydrolyzed collagen peptides…
Hyaluronic acid
120 mg
Hyaluronic acid is a molecule your skin already makes. It holds water, up …
Ceramides (glucosylceramide)
30 mg
Ceramides are the lipids that make up your skin's barrier, the layer that …
Vitamin C
500 mg
Vitamin C is a required cofactor for collagen synthesis. Your body physica…
Astaxanthin
6 mg
Astaxanthin is the carotenoid that makes salmon and shrimp pink. It is a p…
Hair & nails
Biotin
2,500 mcg
Biotin is a B vitamin involved in keratin production, the protein that mak…
Zinc and copper
11 mg zinc, 1 mg copper
Zinc supports skin, hair and nail structure and immune function. Copper is…
Sleep
Magnesium bisglycinate
300 mg elemental
Magnesium is involved in hundreds of enzymatic reactions, including the on…
Glycine
3 g
Glycine is an amino acid that acts as an inhibitory neurotransmitter. It a…
L-Theanine
200 mg
L-theanine is an amino acid found in tea leaves. It promotes a relaxed but…
Chamomile extract
150 mg
Chamomile is the oldest sleep remedy in the cabinet. Its relevant compound…
Gut
Digestive enzyme blend
85 mg
Digestive enzymes break food into pieces small enough to absorb. The blend…
Probiotic
2 billion CFU
A probiotic is a live organism taken in an amount intended to support the …
Ginger root
75 mg
Ginger is one of the best evidenced botanicals for settling the stomach, w…
Peppermint leaf
75 mg
Peppermint is traditionally used for digestive comfort, and peppermint oil…
Restore
Creatine monohydrate
3 g
Creatine is the most studied supplement in existence. It helps your cells …
NMN (nicotinamide mononucleotide)
500 mg
NMN is a direct precursor to NAD+, a coenzyme every cell uses for energy a…
Hormones
All of it in one scoop, before bed.ONCE DUSK · night time beauty + rest
These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. This page is educational and is not medical advice. If you are pregnant, nursing, or taking prescription medication, speak to your doctor first.