Supplement Scholar
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Beauty & Appearance

Hair, skin, nails, collagen, and hydration.

53 profiles, most-studied first
C2H5NO2

Glycine

Inhibitory neurotransmitter that improves sleep quality and supports collagen synthesis.

Amino Acid10 studies
Zn

Zinc

Cofactor for ~300 enzymes — critical for testosterone, immune function, and DNA synthesis.

Mineral10 studies
C40H52O4

Astaxanthin

Algal carotenoid that is the strongest membrane antioxidant; UV and eye protection.

Compound9 studies
C40H52O4

Astaxanthin

Algae-derived xanthophyll — most potent natural antioxidant; UV/eye/skin support.

Compound9 studies
C10H16N2O3S

Biotin (B7)

Coenzyme for carboxylases — popular for hair and nails despite weak data outside true deficiency.

Vitamin9 studies
C30H48O5

Centella Asiatica (Gotu Kola)

Traditional brain and skin tonic — supports cognition and wound healing.

Herb9 studies
C10H16N2O4

Collagen Peptides

Hydrolyzed protein supplying glycine, proline, and hydroxyproline for connective tissue.

Compound9 studies
C18H30O2

Evening Primrose Oil

Omega-6 source rich in GLA, used for atopic dermatitis and cyclical breast pain.

Fatty Acid9 studies
C10H17N3O6S

Glutathione

Master intracellular antioxidant; oral bioavailability depends on form.

Compound9 studies
C48H78O19

Gotu Kola

Adaptogen used for cognitive support, anxiety, and wound healing.

Herb9 studies
C6H10O7

Hyaluronic Acid

Glycosaminoglycan supporting skin hydration and joint lubrication.

Compound9 studies
C10H16N2O4

Marine Collagen Peptides

Hydrolyzed fish collagen — supplies glycine, proline, and bioactive di/tripeptides for skin and hair.

Compound9 studies
C5H10N2O2

Pumpkin Seed Oil

Cold-pressed seed oil studied for hair density and prostate health.

Compound9 studies
C20H30O

Vitamin A (Retinol)

Fat-soluble vitamin essential for vision, immune function, and epithelial integrity.

Vitamin9 studies
C6H5NO2

Vitamin B3 (Niacin)

NAD+ precursor; nicotinic acid form lowers LDL and raises HDL.

Vitamin9 studies
C10H16N2O3S

Vitamin B7 (Biotin)

Carboxylase cofactor marketed for hair, skin, and nail support.

Vitamin9 studies
C6H8O6

Vitamin C

Water-soluble antioxidant, collagen cofactor, and immune supporter.

Vitamin9 studies
C29H50O2

Vitamin E

Primary lipid-phase antioxidant protecting membrane PUFAs.

Vitamin9 studies
C22H38O7

Ascorbyl Palmitate

Fat-soluble vitamin C ester.

Vitamin8 studies
C40H52O4

Astaxanthin (Haematococcus)

Algae carotenoid antioxidant.

Compound8 studies

Bamboo Silica

Plant-based silicon for skin and bones.

Mineral8 studies
C10H16N2O3S

Biotin (High-Dose)

High-dose for MS and hair.

Vitamin8 studies
C10H16N2O3S

Biotinyl Tripeptide-1 (Procapil)

Topical peptide complex marketed for hair anchoring.

Peptide8 studies
C18H30O2

Blackcurrant Seed Oil

GLA + ALA omega-3/6.

Fatty Acid8 studies
C18H30O2

Borage Oil

Highest GLA content.

Fatty Acid8 studies
C10H16N2O4

Bovine Collagen Peptides

Cow-derived collagen hydrolysate.

Compound8 studies
C30H48O5

Centella Triterpene Fraction

Standardized madecassoside/asiaticoside for skin and venous health.

Herb8 studies
H4O4Si

Choline-Stabilized OSA

Bioavailable silicon form.

Mineral8 studies
Cu

Copper

Trace mineral cofactor for ceruloplasmin and connective tissue crosslinking.

Mineral8 studies
C4H8CuN2O4

Copper Bisglycinate

Chelated copper used to balance high-dose zinc supplementation.

Mineral8 studies
C4H11NO

DMAE (Dimethylaminoethanol)

Choline analog for cognition.

Nootropic8 studies
C18H30O2

Evening Primrose Oil

GLA omega-6 for skin and PMS.

Fatty Acid8 studies
C14H21CuN6O4-

GHK-Cu (Copper Peptide)

Copper-binding tripeptide used topically for skin remodeling.

Peptide8 studies
C30H26O12

Grape Seed Extract

Vitis vinifera procyanidins.

Compound8 studies
C18H32O2

Hemp Seed Oil

3:1 omega-6 to omega-3 ratio.

Fatty Acid8 studies
H4O4Si

Horsetail Extract

Silica-rich herb traditionally used for hair, nail, and connective tissue support.

Herb8 studies
C6H10O7

Hyaluronic Acid (Oral)

Oral HA for skin and joints.

Compound8 studies
C6H14N2O2

L-Lysine

Essential amino acid for collagen and HSV prevention.

Amino Acid8 studies
C6H8O6

Liposomal Vitamin C

Phospholipid-encapsulated vitamin C.

Vitamin8 studies
C2H6O2S

MSM (Methylsulfonylmethane)

Organic sulfur for joints and skin.

Compound8 studies
C3H4O2

Manuka Honey

Leptospermum honey with MGO.

Compound8 studies
C10H16N2O4

Marine Collagen Peptides

Fish-derived collagen.

Compound8 studies

Marine Protein Complex (AminoMar)

Proprietary marine-derived complex (AminoMar) clinically studied for thinning hair in women.

Compound8 studies
C2H6O2S

OptiMSM

Distilled MSM for joints.

Compound8 studies
C20H28O4

Rosemary Oil (Topical)

Topical rosemary oil — comparable to 2% minoxidil for AGA in head-to-head trial.

Herb8 studies
C12H24O2

Saw Palmetto

Lipidosterolic extract used for BPH urinary symptoms.

Herb8 studies
O2Si

Silica (Silicon)

Trace element involved in collagen and connective tissue crosslinking.

Mineral8 studies
C10H14O

Spearmint Tea

Used for hirsutism in PCOS via mild anti-androgen effect.

Herb8 studies
C30H50

Squalene

Olive oil/shark liver lipid antioxidant.

Fatty Acid8 studies
C38H68N10O14

TB-500 (Thymosin Beta-4)

Synthetic thymosin fragment for tissue repair.

Peptide8 studies
C6H10O7

Tremella Fuciformis

Snow fungus for skin hydration.

Mushroom8 studies
C10H16N2O4

Type III Collagen

Skin and vascular collagen.

Compound8 studies
C9H17NO5

Vitamin B5 (Pantothenic acid)

Component of coenzyme A, central to fatty acid and acetylcholine synthesis.

Vitamin8 studies