Ingredient intelligence

Know your ingredients.

Objective guides to ingredient identity, core function, human evidence, safety context, and the related forms worth comparing.

559 of 559 ingredient guides

A–Z catalog · 48 per page

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Research topics explain why an ingredient is studied; they are not treatment claims or outcome guarantees.

193 Specialty Compounds Caution

Fucoxanthin

Fucoxanthin is documented here by identity, form, human-evidence context, and safety—not by marketing claims.
194 amino acids Standard

GABA

GABA is studied for relaxation, stress, and sleep-related measures, although direct human evidence remains limited and product forms are not interchangeable.
195 Foods, Fibers & Ferments Standard

Gac Fruit

Gac Fruit is documented here by identity, form, human-evidence context, and safety—not by marketing claims.
196 Lipids & Fatty Acids Caution

Gamma-Linolenic Acid

Gamma-Linolenic Acid is documented here by identity, form, human-evidence context, and safety—not by marketing claims.
197 Specialty Compounds Standard

Gamma-Oryzanol

Gamma-Oryzanol is documented here by identity, form, human-evidence context, and safety—not by marketing claims.
198 Botanical & Plant Materials High caution

Garcinia cambogia

Garcinia cambogia is documented here by identity, form, human-evidence context, and safety—not by marketing claims.
199 herbal Standard

Garlic

Studies of Garlic examine blood-pressure, lipid, and vascular measures, but results and practical relevance vary by form, population, and outcome.
200 Botanical & Plant Materials Caution

Gentian Root

Gentian Root is documented here by identity, form, human-evidence context, and safety—not by marketing claims.
201 herbal Standard

Ginger Root

Research on Ginger Root is strongest for specific measured outcomes related to digestive comfort, nausea-related measures, and inflammatory biomarkers; form, amount, and study context still matter.
202 herbal Caution

Ginkgo Biloba

Studies of Ginkgo Biloba examine cognitive and circulation-related measures, but results and practical relevance vary by form, population, and outcome.
203 Formula & Ingredient Classes Caution

Ginseng (Panax) Ingredient Class

Ginseng (Panax) Ingredient Class is documented here by identity, form, human-evidence context, and safety—not by marketing claims.
204 Specialty Compounds Caution

Ginsenosides

Ginsenosides is documented here by identity, form, human-evidence context, and safety—not by marketing claims.
205 Foods, Fibers & Ferments Caution

Glucomannan

Glucomannan is documented here by identity, form, human-evidence context, and safety—not by marketing claims.
206 joint support Standard

Glucosamine

Glucosamine is studied for joint-comfort and mobility measures; evidence and product identity depend on the exact form, preparation, and measured outcome.
207 compounds Standard

Glucosamine Chondroitin Msm

Glucosamine Chondroitin Msm combines multiple active materials; evidence on individual components cannot establish the effect of the finished formula.
208 compounds Standard

Glucosamine Chondroitin Msm Turmeric

Glucosamine Chondroitin Msm Turmeric combines multiple active materials; evidence on individual components cannot establish the effect of the finished formula.
209 amino acids Standard

Glutathione

Glutathione is studied for glutathione status and oxidative-stress biomarkers; evidence and product identity depend on the exact form, preparation, and measured outcome.
210 amino acids Standard

Glycine

Glycine is studied for sleep quality, connective tissue, and metabolic measures, although direct human evidence remains limited and product forms are not interchangeable.
211 Foods, Fibers & Ferments Caution

Goji Berry

Goji Berry is documented here by identity, form, human-evidence context, and safety—not by marketing claims.
212 Botanical & Plant Materials High caution

Goldenseal

Goldenseal is documented here by identity, form, human-evidence context, and safety—not by marketing claims.
213 Botanical & Plant Materials High caution

Goldthread

Goldthread is documented here by identity, form, human-evidence context, and safety—not by marketing claims.
214 herbal Standard

Gotu Kola

Gotu Kola is studied for connective-tissue, circulation, and cognitive measures, although direct human evidence remains limited and product forms are not interchangeable.
215 Botanical & Plant Materials Caution

Grains of Paradise

Grains of Paradise is documented here by identity, form, human-evidence context, and safety—not by marketing claims.
216 antioxidants Standard

Grape Seed Extract

Grape Seed Extract is studied for blood-pressure, vascular, and oxidative-status measures; evidence and product identity depend on the exact form, preparation, and measured outcome.
217 Botanical & Plant Materials High caution

Grapefruit Seed Extract

Grapefruit Seed Extract is documented here by identity, form, human-evidence context, and safety—not by marketing claims.
218 Lipids & Fatty Acids Standard

Grapeseed Oil

Grapeseed Oil is documented here by identity, form, human-evidence context, and safety—not by marketing claims.
219 herbal Standard

Graviola

Graviola is marketed for metabolic and antioxidant measures, but reliable direct human evidence is not yet sufficient to support a clear conclusion.
220 Botanical & Plant Materials Caution

Green Coffee Bean Extract

Green Coffee Bean Extract is documented here by identity, form, human-evidence context, and safety—not by marketing claims.
221 specialty Standard

Green Lipped Mussel

Studies of Green Lipped Mussel examine joint comfort and mobility measures, but results and practical relevance vary by form, population, and outcome.
222 herbal Standard

Green Tea Extract

Studies of Green Tea Extract examine metabolic, lipid, and antioxidant measures, but results and practical relevance vary by form, population, and outcome.
223 Botanical & Plant Materials High caution

Griffonia Seed

Griffonia Seed is documented here by identity, form, human-evidence context, and safety—not by marketing claims.
224 Foods, Fibers & Ferments Caution

Guanabana Fruit

Guanabana Fruit is documented here by identity, form, human-evidence context, and safety—not by marketing claims.
225 Botanical & Plant Materials Caution

Guarana

Guarana is documented here by identity, form, human-evidence context, and safety—not by marketing claims.
226 Botanical & Plant Materials High caution

Guggul

Guggul is documented here by identity, form, human-evidence context, and safety—not by marketing claims.
227 Botanical & Plant Materials Caution

Gymnema

Gymnema is documented here by identity, form, human-evidence context, and safety—not by marketing claims.
228 Botanical & Plant Materials Caution

Haematococcus pluvialis

Haematococcus pluvialis is documented here by identity, form, human-evidence context, and safety—not by marketing claims.
229 botanicals Caution

Hawthorn Berry

Hawthorn Berry is studied for cardiovascular-function and circulation-related measures; evidence and product identity depend on the exact form, preparation, and measured outcome.
230 Foods, Fibers & Ferments Caution

Hemp Ingredient

Hemp Ingredient is documented here by identity, form, human-evidence context, and safety—not by marketing claims.
231 Lipids & Fatty Acids Caution

Hemp Seed Oil

Hemp Seed Oil is documented here by identity, form, human-evidence context, and safety—not by marketing claims.
232 Specialty Compounds Caution

Hesperidin

Hesperidin is documented here by identity, form, human-evidence context, and safety—not by marketing claims.
233 herbal Standard

Hibiscus Flower Extract

Studies of Hibiscus Flower Extract examine blood-pressure and lipid measures, but results and practical relevance vary by form, population, and outcome.
234 amino acids Standard

HMB

Studies of HMB examine muscle retention, strength, and exercise recovery, but results and practical relevance vary by form, population, and outcome.
235 botanicals Standard

Holy Basil

Holy Basil is studied for stress-response, glucose, and lipid-related measures; evidence and product identity depend on the exact form, preparation, and measured outcome.
236 Botanical & Plant Materials Caution

Hops

Hops is documented here by identity, form, human-evidence context, and safety—not by marketing claims.
237 herbal Standard

Horny Goat Weed

Horny Goat Weed is marketed for sexual-function and circulation-related measures, but reliable direct human evidence is not yet sufficient to support a clear conclusion.
238 Botanical & Plant Materials High caution

Horse Chestnut

Horse Chestnut is documented here by identity, form, human-evidence context, and safety—not by marketing claims.
239 herbal Standard

Horsetail

Horsetail is marketed for hair, nail, bone, and fluid-balance measures, but reliable direct human evidence is not yet sufficient to support a clear conclusion.
240 Regulated / Restricted Substances Restricted

Human Growth Hormone (HGH)

Human Growth Hormone (HGH) is retained as a knowledge-only entry because regulatory or safety context is essential to accurate search and AI answers.

Educational content only — not medical advice. These statements have not been evaluated by the Food and Drug Administration.

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