Supplement Product Reviews and Label Analyses
Browse product-level analyses built around the current label, active amount, serving burden, public quality signals, safety fit, and value. These are editorial reviews, not retailer listings or unstated hands-on tests.
How to use this directory
Choose the ingredient first, then compare bottles.
If you are still unsure whether the ingredient fits your goal, start with a supplement guide. If the ingredient is settled, compare dose, format, proof, and cost here.
Search this decision library
Find a product analysis
Use search when you already know the ingredient, brand, product, or goal. It is often faster than scanning a full hub.
What each product record tells you
Start with review basis and public proof, not the score alone. A high editorial score can reflect a clear label, sensible evidence transfer, visible safety limits, useful quality signals, and fair value. It is not a customer rating, laboratory certificate, or promise that the product will work for you.
- Label-based editorial reviewWe used public labels, brand or retailer data, ingredient evidence, and declared quality signals. We did not imply personal use.
- Named public signalThe reviewed source set contains a named product certification, testing statement, or public certificate. The exact package and lot can still change.
- No named signal foundWe did not identify product-level public proof in the reviewed sources. This does not prove that the manufacturer performs no testing.
- Checked dateThe page update date shows when the editorial record was last reviewed. Confirm the live label before purchase.
Product evidence directory
Jump to a category, then open the full analysis for formula math, price context, strengths, tradeoffs, public-user themes, alternatives, and sources.
Magnesium
7 analyses- MagnesiumDoctor’s Best High Absorption MagnesiumNSF Certified for Sport, Third-party claim · checked Jun 10, 2026
- MagnesiumLife Extension Neuro-Mag Magnesium L-Threonate 90 CapsulesNo named public product signal found · checked Aug 10, 2026
- MagnesiumNature Made Magnesium Glycinate 60 CapsulesUSP Verified · checked Aug 10, 2026
- MagnesiumNOW Magnesium Glycinate TabletsThird-party claim · checked Sep 4, 2026
- MagnesiumPure Encapsulations Magnesium Glycinate 90 CapsulesNo named public product signal found · checked Sep 4, 2026
- MagnesiumSolaray High Absorption Magnesium Glycinate 120 VegCapsNo named public product signal found · checked Aug 10, 2026
- MagnesiumThorne Magnesium BisglycinateNSF Certified for Sport, Third-party claim · checked Sep 4, 2026
Omega-3
4 analyses- Omega-3California Gold Nutrition Omega-3 Premium Fish OiliTested, Third-party claim · checked Sep 4, 2026
- Omega-3Carlson The Very Finest Fish OilIFOS, Third-party claim · checked Aug 10, 2026
- Omega-3NOW Ultra Omega-3 Fish OilPublic batch COA, Third-party claim · checked Jun 10, 2026
- Omega-3Sports Research Omega-3 Fish Oil Triple StrengthIFOS, Third-party claim · checked Sep 4, 2026
Probiotics
7 analyses- ProbioticsCalifornia Gold Nutrition LactoBif 30No named public product signal found · checked Jun 10, 2026
- ProbioticsCalifornia Gold Nutrition LactoBif 5No named public product signal found · checked Aug 10, 2026
- ProbioticsCulturelle Digestive Daily ProbioticNo named public product signal found · checked Jun 10, 2026
- ProbioticsCulturelle Ultimate Strength Probiotic 20 Billion CFUNo named public product signal found · checked Jul 11, 2026
- ProbioticsNOW Probiotic-10 25 BillionNo named public product signal found · checked Jun 10, 2026
- ProbioticsPhysician’s Choice 60 Billion Probiotic 60 CapsulesNo named public product signal found · checked Aug 10, 2026
- ProbioticsSeed DS-01 Daily SynbioticNo named public product signal found · checked Aug 10, 2026
Creatine
6 analyses- CreatineCalifornia Gold Nutrition Sport Pure Creatine MonohydrateNo named public product signal found · checked Jul 11, 2026
- CreatineMomentous Creatine Monohydrate 450 gNSF Certified for Sport · checked Aug 10, 2026
- CreatineNutricost Creatine Monohydrate Creapure 500 gNo named public product signal found · checked Aug 10, 2026
- CreatineOptimum Nutrition Micronized Creatine PowderInformed Choice · checked Jul 11, 2026
- CreatineSports Research Creatine Monohydrate 500 gInformed Sport · checked Aug 10, 2026
- CreatineThorne CreatineNSF Certified for Sport · checked Jul 11, 2026
Collagen
5 analyses- CollagenAncient Nutrition Multi Collagen Protein 16 ozPublic batch COA · checked Aug 10, 2026
- CollagenSports Research Collagen Peptides UnflavoredInformed Choice, Third-party claim · checked Jun 10, 2026
- CollagenVital Proteins Collagen Peptides 360 CapsulesNo named public product signal found · checked Jul 11, 2026
- CollagenVital Proteins Collagen Peptides Unflavored 20 ozNo named public product signal found · checked Jul 11, 2026
- CollagenVital Proteins Marine Collagen Unflavored 7.8 ozNo named public product signal found · checked Aug 10, 2026
Vitamin D
5 analyses- Vitamin DCalifornia Gold Nutrition Vitamin D3 5000 IUiTested, Third-party claim · checked Aug 10, 2026
- Vitamin DDoctor’s Best Vitamin D3 1000 IUNo named public product signal found · checked Jun 10, 2026
- Vitamin DDoctor’s Best Vitamin D3 5000 IUThird-party claim · checked Jun 10, 2026
- Vitamin DNOW Vitamin D3 5000 IUThird-party claim · checked Jun 10, 2026
- Vitamin DSolaray Vitamin D3 + K2No named public product signal found · checked Jul 11, 2026
Multivitamins
1 analysisIron
2 analysesMelatonin
1 analysisOther products
16 analyses- Other productsCulturelle Women’s 4 in 1 ProtectionNo named public product signal found · checked Jul 11, 2026
- Other productsDoctor’s Best L-Theanine 150 mgNo named public product signal found · checked Jul 11, 2026
- Other productsGarden of Life Dr. Formulated Probiotics Once DailyNo named public product signal found · checked Jul 11, 2026
- Other productsGarden of Life Dr. Formulated Probiotics Once Daily Women’sNo named public product signal found · checked Jun 10, 2026
- Other productsLife Extension BioActive Complete B-ComplexNo named public product signal found · checked Jun 10, 2026
- Other productsLife Extension Super Ubiquinol CoQ10 100 mgNo named public product signal found · checked Jul 11, 2026
- Other productsNordic Naturals Ultimate OmegaThird-party claim · checked Jun 10, 2026
- Other productsNordic Naturals Ultimate Omega + CoQ10No named public product signal found · checked Jun 10, 2026
- Other productsNordic Naturals Ultimate Omega 2XNo named public product signal found · checked Jul 11, 2026
- Other productsNordic Naturals Ultimate Omega Plant-Based With D3 + K2Public batch COA · checked Jul 11, 2026
- Other productsOLLY Sleep Gummies Blackberry Zen 50 GummiesNo named public product signal found · checked Aug 10, 2026
- Other productsSolaray Berberine Phytosome 550 mgNo named public product signal found · checked Jun 10, 2026
- Other productsSolaray Zinc Copper with Kelp & Pumpkin SeedNo named public product signal found · checked Jul 11, 2026
- Other productsSports Research D3 + K2 Plant Based 5000 IUPublic batch COA, Third-party claim · checked Jun 10, 2026
- Other productsThorne BerberineNo named public product signal found · checked Jul 11, 2026
- Other productsThorne Zinc Picolinate 15 mgNo named public product signal found · checked Aug 10, 2026
Continue by decision, not by brand
- Read a supplement labelDecode serving size, elemental amount, proprietary blends, and front-label distractions.
- Compare cost per useful amountNormalize products with different serving sizes, bottle counts, and active amounts.
- Check common safety flagsSlow down a purchase when medicines, surgery, pregnancy, kidney disease, or overlapping ingredients matter.
- Browse brand evidenceReview brand-wide patterns without treating reputation as proof for every product.
Choose your route
What are you trying to decide?
Pick the route that matches your next question. Each path is intentionally narrow so the hub helps you move forward instead of scanning every link.
- Browse analyses Start with label-based product pages that separate dose, value, safety, and quality proof.
- Compare cost per dose Check serving cost and active-dose value before comparing sticker prices.
- Check brand context Use brand pages for quality signals, product range, and what the brand name does not prove.
- Read the score method See how label clarity, evidence transfer, safety fit, quality proof, and value fit are weighted.
