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Supplement Reviews: 60+ Brands Reviewed and Compared

Our experts review and analyze every brand. Complete, transparent, independent reviews to help you choose the best supplement.

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The Best Supplements' editorial guidelines guarantee transparency and reliability: all our content is written by industry specialists and validated against 7 key criteria*, so every publication delivers quality information, promo codes, and reviews.

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To support The Best Supplements, links on this site are affiliate links: we may earn a commission when you buy through these links, at no extra cost to you. By using the site you accept our terms of use and our editorial policy.

Supersmart
Review

Supersmart

8.9
/10
Supplement type:
Minerals & Micronutrients
Brand origin:
Luxembourg
Promo code:
-10%
with code
LMC

Supersmart is a European micronutrition laboratory founded in 1992 that runs a dedicated American storefront, fulfilled from Fort Lauderdale with free shipping above 25 dollars. Here is our analysis of its Marine Collagen, Daily 3 and Super Ashwagandha formulas, with the real US prices, the published certificates and the return terms.

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From
$28.00
25.20
$
19588
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French Mush
Review

French Mush

8.4
/10
Supplement type:
Adaptogenic Mushrooms
Brand origin:
France
Promo code:
-12%
with code
LMC

French Mush is a French functional mushroom brand growing its cultures in France and Finland and publishing, extract by extract, the one figure most of its competitors hide: the beta-glucan titration. Here is our detailed analysis of its capsules, its Boost drinks, its real euro prices, and the flat 29 euro route it publishes for delivery to the United States.

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Emilien, innovation tester at The Best Supplements
Written by
Emilien
From
$37.26
32.79
$
+2300
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Wellness Nest Shilajit
Review

Wellness Nest Shilajit

5.8
/10
Supplement type:
Shilajit
Brand origin:
France
Promo code:
-20%
with code
LMC

Wellness Nest is a Colorado-registered store selling Himalayan shilajit as resin, gummies and drops, with free US shipping above $70 and a 90-day guarantee. Here is our analysis of its four shilajit products, their official prices, and the gap between what the pages claim about laboratory testing and what the site actually publishes.

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Mathisse, performance tester at The Best Supplements
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Mathisse
From
$59.99
47.99
$
+1100
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Isis Superfood
Review

Isis Superfood

7
/10
Supplement type:
Women's Health
Brand origin:
France
Promo code:
-10%
with code
LMC

Isis Superfood is a French brand that sells women's supplements as gummies and drinkable powders rather than capsules, segmented by life stage from cycle to menopause. Here is our analysis of its three signature formulas, of the amounts its labels actually publish, and of the delivery clause that decides everything for a reader in the United States.

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$32.50
29.25
$
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Matcha Sunday
Review

Matcha Sunday

7.8
/10
Supplement type:
Matcha
Brand origin:
United States
Promo code:
-20%
with code
LMC

Matcha Sunday is an American brand, not a French one, selling Japanese matcha from a family-owned farm in Shizuoka in four grades. Here is our analysis of its official product pages: the real dollar prices, the published caffeine figure, what the ceremonial grade does and does not disclose, and the return policy that makes a first order final.

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$39.99
31.99
$
0
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Junelab
Review

Junelab

3
/10
Supplement type:
Adaptogenic Mushrooms
Brand origin:
France
Promo code:
-15%
with code
LMC15

Junelab is a French brand created by pharmacists whose two flagship powders publish the weight of every ingredient in grams. Here is our analysis of the real composition of Travailler and Soulager, the current prices on the English store, and the shipping policy that decides whether an American reader can order at all.

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Written by
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36.00
30.60
$
+470
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Matcha Botanicals
Review

Matcha Botanicals

8.3
/10
Supplement type:
Matcha
Brand origin:
France
Promo code:
-10%
with code
LMC

Matcha Botanicals is a Swiss-registered specialist selling Japanese matcha milled in its own Uji workshop. Its product sheets publish the cultivar, the shading days, the harvest and even the milling speed of every tea, which is rare. Here is our detailed analysis of the range, the real US dollar prices, the differences between the ceremonial tins and the shipping terms to the United States.

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$89.00
80.10
$
10
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Argalys
Review

Argalys

7.7
/10
Supplement type:
Ashwagandha
Brand origin:
France
Promo code:
-10%
with code
LMC10

Argalys is a family laboratory from the Lyon region, run by Sylvie and Pascal, selling a deliberately short range of vegan supplements made in France: KSM-66 ashwagandha, magnesium bisglycinate, algae DHA, a vegan collagen precursor. Here is our analysis of its official product pages, the real prices in euros, the formula that changed and the delivery destinations we checked at the checkout.

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$23.18
20.87
$
2
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Cosmic Dealer
Review

Cosmic Dealer

8.2
/10
Supplement type:
Matcha
Brand origin:
France
Promo code:
-10%
with code
LIONSMANECLUB

Cosmic Dealer is a Paris brand of dark chocolate squares filled with nut butters and sweetened with dates alone, alongside caffeine-free coffee alternatives and Japanese tea powders. Here is our analysis of its composition, its published nutrition figures and its prices, starting with the delivery question that matters most to American readers.

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Mathisse, performance tester at The Best Supplements
Written by
Mathisse
From
$29.01
26.11
$
4
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Combeau
Review

Combeau

8.1
/10
Supplement type:
Collagen
Brand origin:
France
Promo code:
-10%
with code
LMC10

Combeau is a French brand founded by Erika Fogeiro, positioned between preventive health and holistic beauty, with a deliberately short catalog built around marine collagen, electrolyte sachets and monthly capsule programs. Here is our analysis of its formulas, doses and prices, including the shipping question that decides the matter for American readers.

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$39.61
35.65
$
228
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Nutrition Pro Shilajit
Review

Nutrition Pro Shilajit

8.2
/10
Supplement type:
Shilajit
Brand origin:
France
Promo code:
-15%
with code
SHILAJIT15

Nutrition Pro is a Paris-based supplement store of about 150 references that sells Himalayan shilajit in three formats: pure resin, liquid and PrimaVie capsules. Here is our analysis of what its product pages state, what its published Eurofins report actually tests, the euro prices and what it costs to have a jar delivered to the United States.

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Emilien, innovation tester at The Best Supplements
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$40.76
34.65
$
+2000
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Clearly
Review

Clearly

8.3
/10
Supplement type:
Adaptogenic Mushrooms
Brand origin:
Netherlands
Promo code:
-15%
with code
LMC

Clearly is a Dutch health brand whose whole promise sits in its name: transparent pouches, published doses and a beta-glucan percentage next to every mushroom. Here is our detailed analysis of Not Coffee and the rest of the range, with the official euro prices and the delivery answer American readers need first.

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Emilien, innovation tester at The Best Supplements
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$34.95
29.71
$
+970
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Learn more about how we review supplements

Supplement reviews: our complete review methodology

Learn how The Best Supplements team reviews, analyzes, and scores every brand to bring you objective, transparent reviews that help you find the right supplement.

Our editorial approach to reviewing supplements

Every review published on The Best Supplements follows a rigorous methodology validated by our nutrition and supplement experts. We examine each product, analyze its composition, verify certifications, and consult the available studies to deliver reliable recommendations.

Our editorial team relies on seven key criteria to evaluate each brand: composition transparency, ingredient sourcing, active dosages, certifications, value for money, available formats, and independent consumer feedback. This comprehensive approach makes it possible to compare products objectively and identify the best options for your needs.

Our detailed evaluation criteria

Ingredient quality is our first evaluation criterion. We systematically check the geographic origin of raw materials, how they are grown (organic, conventional, wild-harvested), and their purity. Concentrated extracts get special attention to make sure active-compound dosages match the standards recognized by scientific research.

Certifications and labels play a central role in our evaluation. We favor brands holding GMP (Good Manufacturing Practice), EU organic, vegan, or non-GMO certifications. These labels guarantee strict standards at every production stage and speak to the reliability of manufacturing processes.

Active dosages are checked carefully. We compare the amounts of active ingredients per daily dose with recommendations from the scientific literature. A good supplement should offer effective dosages, clearly stated on the label and consistent with the claimed benefits.

Our product review process

When we review a supplement, several steps structure our approach. The analysis starts with the composition: a careful read of the label, verification of the full ingredient list, identification of any additives, and sourcing research with partner brands.

The hands-on phase evaluates how practical the product is day to day. We look at:

  • Format (capsules, powders, gummies, strips)
  • How easy it is to take daily
  • Taste, when applicable
  • How easy it is to digest
  • Consistency between directions and real-world use

🌱 Comparative analysis positions each product against the alternatives available on the market. We compare dosages, price per gram of active ingredient, formats, certifications, and the guarantees brands offer. This approach helps our readers quickly spot the best options for their budget.

Transparency and editorial independence

Our editorial independence remains total despite commercial partnerships. Our reviews reflect only the objective analysis of our experts and are never influenced by brands. We systematically point out each product's strengths and areas for improvement to keep the information balanced.

Source traceability is a core commitment of our approach. Every claim about efficacy, dosages, or benefits relies on verifiable references: scientific studies, independent lab analyses, official certifications, or data provided directly by manufacturers. We never relay unsourced information.

The supplement categories we review

Our team has reviewed more than 100 brands across several functional categories.
Adaptogenic mushrooms (Lion's Mane, Cordyceps, Reishi, Chaga) get particular attention, with analysis of extraction methods, polysaccharide and beta-glucan standardization, and verification of geographic origin.

Premium matcha is evaluated by grade (ceremonial, culinary), origin (production region in Japan), color, texture, and natural L-theanine and catechin content. We favor matcha from traditional shade-grown cultivation for optimal quality.

Natural shilajit calls for extra vigilance around purity, origin (Himalaya, Altai), fulvic acid concentration, and heavy metals. We systematically verify these parameters with manufacturers.

Optimized electrolytes are analyzed by mineral composition, absence of added sugars, flavorings used, and effectiveness for sports hydration.

More supplement categories will be added over time to broaden our coverage and answer even more specific needs.

How to use our reviews to choose

Our structured reviews make your decision easier. Each review details:

  • The product's exact composition
  • Dosages per recommended serving
  • Certifications earned
  • Value for money, analyzed
  • Our personalized usage recommendations

Dedicated strengths and areas-for-improvement sections give a balanced view of each product. We highlight what sets a product apart (formulation innovation, exceptional sourcing, unique format) while flagging potential limits (high price, limited availability, strong taste).

Frequently asked questions about our reviews

How are products selected for review?

We favor innovative, transparent brands that consumers rate highly. Our selection evolves regularly to include new products on the market.

Do brands take part in writing the reviews?

No. Reviews are written exclusively by our independent experts following our validated methodology. Brands have no say in the published content.

How do you verify dosages and composition?

We analyze labels, consult the certificates of analysis provided by manufacturers, and cross-check this information against the available scientific data.

Is every product evaluated hands-on?

Most products are evaluated directly by our team. Some reviews rely on documentary analysis when a hands-on evaluation is not possible.

Are your reviews kept up to date?

Yes. We continually update our content to reflect new formulations, certification changes, and additional user feedback.

Our editorial commitment

Why trust The Best Supplements

The Best Supplements' editorial line guarantees transparency and reliability: all our content is written by industry specialists and validated against 7 key criteria* to bring you quality information, promo codes, and reviews with every publication. New supplement categories and brands are gradually added to the directory to keep our selection current and representative of the market.

Advertising disclosure

To support The Best Supplements, some links are affiliate links. Our recommendations remain independent, based on transparent, verifiable criteria. Using the site implies acceptance of our Terms of Use and Editorial Policy.
Browse all our full reviews, compare brands by what matters to you, and choose the supplement that best fits your needs with confidence.

The 7 key criteria behind our reviews

Every piece of content published on The Best Supplements is carefully written by passionate experts, following a rigorous process. The Best Supplements is committed to providing information that is reliable, useful, and enjoyable to read.

Criterion #1

Specialized, committed writers

Our content is written by passionate health and wellness experts who keep up with the latest research. Accuracy and ethics guide every word.

The Best Supplements: specialized, committed writers
The Best Supplements: rigorous research behind every fact
Criterion #2

Rigorous research behind every fact

Every fact is verified and drawn from reliable sources or recognized studies. Transparency and accuracy are at the heart of our approach.

Criterion #3

Full transparency on sources

We cite our references, studies, and partners. You always know where the information comes from, for maximum trust.

The Best Supplements takes your real needs into account
Criterion #4

Focused on your real needs

The Best Supplements picks useful topics, answers real questions, and delivers practical advice that is easy to apply every day.

The Best Supplements: original, authentic content
Criterion #5

Original, authentic content

No copying: every piece is exclusive, written specifically for The Best Supplements, with no duplicates and no boilerplate.

The Best Supplements: continuously updated articles
Criterion #6

Articles updated continuously

Articles are reviewed and updated as the industry evolves, so the information always stays current.

The Best Supplements: compliance with standards and editorial ethics
Criterion #7

Compliance with standards and editorial ethics

Our content may contain affiliate links, but rankings are based on clearly stated editorial criteria.

Our favorite brand this month 🧡

Our pick of the month, one to try without hesitation.

IM8 Health
Our favorite brand

IM8 Health

9.2
/10
Supplement type:
NAD+ & Precursors
Brand origin:
United States
Promo code:
-10%
with code
LMC

IM8 Health is the all-in-one supplement brand co-founded by David Beckham with the biotech company Prenetics. Its Daily Ultimate Essentials Pro packs 90 ingredients into a single 12 gram daily drink, at $112 for a one-time month. Here is our detailed analysis of the reformulated Pro label, the Longevity powder, the real prices and the clinical trial the brand puts forward.

$112.00
$
100.80
$112.00
$
100.80
-10%
with code: