Independent supplement reviews

Know what's inside the capsule before you buy it.

Ingredient-by-ingredient reviews of popular supplements, with official prices, refund terms and a clear, dated verdict. We read the label and the research so you don't have to take the ad's word for it.

Browse supplement reviews Ingredient library

GlucoBerry bottle, official product photo

Supplement review

★★★★☆

GlucoBerry is a one-a-day capsule with 180 mg maqui berry extract, 400 mg gymnema, 600 mcg chromium and 2 mg biotin. Fully disclosed and sensibly dose...

Fresh green tea leaves being hand-plucked on a terraced tea estate (AI-generated illustration)

Ingredient guide

Green tea extract

Green tea catechins and caffeine may slightly affect body weight, but a Cochrane review found the effect too small to be clinically important. Concent...

Joint Genesis bottle, official product photo

Supplement review

★★★☆☆

Joint Genesis is a once-daily capsule combining 80 mg of Mobilee hyaluronic acid with pine bark, boswellia, ginger and black pepper extract. The label...

A laboratory sample of fine chromium mineral powder (AI-generated illustration)

Ingredient guide

Chromium is an essential trace mineral that helps insulin work. It may modestly improve blood sugar markers in people with type 2 diabetes, but eviden...

TitanFlow supplement bottle

Supplement review

★★★☆☆

TitanFlow is a five-ingredient prostate and urinary flow capsule from Zenith Labs with a fully disclosed label. Pygeum and beta-sitosterol give it mod...

Barberry shrubs with bright red berries and yellow-cored stems being harvested (AI-generated illustration)

Ingredient guide

Berberine is a plant alkaloid with a meaningful body of clinical research on blood sugar and blood lipids. It also has real drug-interaction potential...

ProDentim supplement bottle

Supplement review

★★★☆☆

ProDentim is a chewable oral probiotic with 3.5 billion CFU of L. paracasei, L. reuteri, B. lactis BL-04 and S. salivarius plus 100 mg inulin. The spe...

Korean ginseng roots being harvested from shaded ginseng beds (AI-generated illustration)

Ingredient guide

Korean (Asian) ginseng may modestly help some aspects of thinking and general fatigue, but most trials are small and short. It can cause insomnia and ...

iGenics supplement bottle

Supplement review

★★★☆☆

iGenics is a 2-capsule daily eye supplement with lutein, zeaxanthin, bilberry, saffron, ginkgo, turmeric and five vitamins and minerals, all with disc...

A laboratory sample of white zinc powder (AI-generated illustration)

Ingredient guide

Zinc is an essential mineral for immunity, wound healing, taste and smell. It is promoted for ear health, but a Cochrane review found no evidence it h...

Every ingredient checked against the official label
Evidence level and sources for each ingredient
Prices and guarantees compared and dated

Browse by health goal

All health goals →

Blood Sugar Support Supplements and ingredients marketed to support healthy glucose metabolism. ... Brain & Focus

Nootropics and nutrients for memory, focus and mental clarity.

Supplements marketed for ear and hearing wellness.

Energy & Vitality

Support for daily energy, stamina and mitochondrial health.

Nutrients such as lutein and zeaxanthin for vision wellness.

Probiotics, prebiotics and ingredients for digestive comfort.

Hair, Skin & Nails

Beauty-from-within nutrients like collagen and biotin.

Antioxidants and nutrients for healthy aging.

Heart & Circulation Ingredients associated with cardiovascular wellness and healthy circulation. ... Hormonal Balance

Supplements marketed to support healthy hormone levels.

Vitamins, minerals and botanicals for immune wellness.

Support for joint mobility and flexibility.

Latest supplement reviews

All reviews →

NeuroVera supplement bottle

★★★☆☆

NeuroVera review

NeuroVera is a 60-capsule memory supplement from Nutraville listing five ingredients, including bacopa, lion's mane and gotu kola, with no d...

NeuroPrime supplement bottle

★★☆☆☆

NeuroPrime review

NeuroPrime is a liquid memory supplement listing nine botanicals, including bacopa, ginkgo and lion's mane, sold without any disclosed ingre...

ViriFlow supplement bottle

★★★☆☆

ViriFlow review

ViriFlow is a liquid prostate drop with iodine and a 700 mg blend of saw palmetto, pygeum, seaweeds and other botanicals. The label is shown...

Prosta Peak supplement bottle

★★☆☆☆

Prosta Peak review

Prosta Peak is a capsule prostate formula that names cat's claw, green tea, pygeum, raspberry, soursop and saw palmetto. No doses or full in...

ProvaDent supplement bottle

★★★☆☆

ProvaDent review

ProvaDent is a chewable oral probiotic tablet with xylitol, cranberry and purple carrot. The ingredient concept is reasonable, but no amount...

Spartamax supplement bottle

★★★☆☆

Spartamax review

Spartamax is a once-daily men's vitality gummy with L-arginine, tongkat ali, maca, ashwagandha, horny goat weed, beet root and grape seed ex...

From the blog

All articles →

Myths & facts

Xylitol Gum and Cavities: What the Evidence Really Says

Xylitol gum is often sold as a cavity fighter. We separate what the research supports from the hype, and flag a serious risk for dogs.

Explainers

Why Bloating Often Gets Worse as the Day Goes On

Belly size naturally rises through the day, but meals, swallowed air, sitting and constipation can make afternoon bloating worse. Here is wh...

How-to

Walking After Meals: The Simplest Habit for Steadier Blood Sugar

A short walk soon after eating can blunt the post-meal rise in blood sugar. Here is what the research shows and how to make it stick.

Ingredient library

Dose used in studies, strength of evidence and which supplements use each ingredient.

5-HTP African mango Akkermansia Muciniphila Aloe vera Alpha-lipoic acid Amla Apigenin Apple pectin Artichoke Ashwagandha Astragalus root extract Babchi Bacillus coagulans Bacopa monnieri Banaba leaf Bearberry (uva ursi) Beet root Bentonite clay Berberine Beta-Sitosterol Betaine Bifidobacterium lactis Bilberry Biotin Black Pepper Extract (BioPerine) Black walnut hull Bladderwrack Boron Boswellia Serrata Broccoli Sprout Extract

See all ingredients →

Health topics

How we review supplements →