On this pageTable of Contents
- 1Download the Product Label Transparency Index
- 2The five score axes: explicit 1–5 anchors
- 3How to read the total
- 4How research becomes a score
- 5Missing information and independence
- 6Review basis and changes
- 7What can lower a score
- 8What the score can tell you
- 9External standards used to check the method
- 10Is the Supplement Explained Score a medical recommendation?
- 11Does a higher score mean the product is guaranteed to work?
- 12Can a product with no third-party testing still score well?
- 13Supplement Explained Score axis table
- 14Supplement Explained Score FAQ
Supplement Explained Score
The Supplement Explained Score is a transparent decision-support score for product pages. It helps readers see whether a supplement product is easy to judge from the visible label, the evidence match, the safety context, the quality proof, and the real-world value tradeoff.
It is not a medical review badge, lab certificate, star rating, product endorsement, or promise that a product will work for you.
Score type
Decision confidence, not doctor approval
The score rewards clear decisions and penalizes missing proof, unclear dosing, weak evidence transfer, and safety gaps.
Quick answer
Supplement Explained Score: the short answer
Learn how the Supplement Explained Score rates product decision confidence across label clarity, evidence transfer, safety fit, quality proof, and value friction.
Download the Product Label Transparency Index
The Product Label Transparency Index publishes the five score axes and current totals for all 94 reviewed products as a CSV. The label-transparency column combines label clarity and quality proof into a 10-point inspection score; the full Supplement Explained Score keeps evidence transfer, safety fit, and value fit separate.
Download the Product Label Transparency Index as CSV
- Scope: 94 product analyses currently published on Supplement Explained.
- Method: individually assigned version 2.0 assessments of labels, evidence transfer, safety fit, exact-product quality proof and practical value. Each total is the sum of five equally weighted 1–5 axes.
- Not included: independent laboratory testing or personal-use testing by Supplement Explained. Customer stars and affiliate commission rates are not score inputs.
- Last reviewed: October 7, 2026.
The downloadable rows link back to the product page so each number can be checked against its visible explanation. Product labels and prices can change, so the linked page remains the controlling editorial context.
The five score axes: explicit 1–5 anchors
Version 2.0, reviewed October 7, 2026. All 94 published products have an individually assigned score and a visible explanation of each criterion. The number evaluates a buying decision for the reviewed formula and stated context; it is not a universally valid product-health ranking.
Label clarity measures inspectable information. Evidence transfer measures how closely relevant human findings match the ingredient, dose, formula and use. Safety fit measures suitability constraints and routine complexity; a high score cannot establish that a product is safe for you. Quality proof grades the scope of verifiable documentation, not an untested assertion that low-scoring products are contaminated. Value fit considers practical use and matched price evidence.
Label clarity
- 1/5: Product identity cannot be checked.
- 2/5: Important active or serving information is missing.
- 3/5: Core amount is visible, but strain IDs, blend contributions or version details are incomplete.
- 4/5: Serving and core quantities are clear, with a documented companion-formula or variant limitation.
- 5/5: The reviewed variant, serving, active amounts and relevant formula details are clearly identified.
Evidence transfer
- 1/5: The intended use lacks useful human support or relevant outcome evidence weighs against the promoted use.
- 2/5: Evidence is preliminary, inconsistent or poorly matched to the actual dose/formula.
- 3/5: There is a plausible ingredient or nutrient-gap role, with substantial outcome/formula uncertainty.
- 4/5: Human evidence supports the defined ingredient/form/dose or target use, with documented limits.
- 5/5: Extensive evidence closely matches the defined form/dose/use, such as monohydrate for strength/power or AREDS2 for eligible AMD patients.
Safety fit
- 1/5: Important hazards cannot be assessed.
- 2/5: High-dose or formula complexity creates major concerns for routine unsupervised use.
- 3/5: Dose, interactions, source restrictions or clinical indication materially narrow suitability.
- 4/5: A well-characterized context with clear key cautions and manageable routine use.
- 5/5: An unusually simple, well-characterized context with comprehensive relevant screening; still not clearance for everyone.
Quality proof
- 1/5: Product identity or testing basis is insufficient to inspect.
- 2/5: Label/manufacturer information is available, but an exact independent finished-product record was not verified.
- 3/5: A named ingredient/testing or narrow certification claim has a defined scope, but independently matched finished-lot proof remains limited.
- 4/5: An independent directory record matches the reviewed product, market/flavor/pack and stated lot scope.
- 5/5: Multiple current, independently inspectable finished-product potency/contaminant results match the exact variant and lots.
Value fit
- 1/5: Usable supply/serving information is too weak for a meaningful value judgment.
- 2/5: Substantial routine burden, formula ambiguity or an unsupported premium weakens practical value.
- 3/5: The pack/serving or format tradeoff is understandable; a matched fresh USD benchmark is missing or does not establish an advantage.
- 4/5: A dated, matched USD cost per relevant serving and manageable routine support a transparent comparison.
- 5/5: Matched current comparable offers establish a meaningful cost advantage at a relevant dose, without extra avoidable burden.
How to read the total
Each axis contributes 1–5 points. The total is their simple sum, from 5 to 25, with no hidden cap or bonus. It is an editorial judgment, not a statistically validated scale. Small differences are not proof of a measurable difference in effectiveness. Inspect the five reasons and compare products serving the same purpose rather than treating different categories as interchangeable.
How research becomes a score
- Identify the reviewed variant and inspect published label/retailer information, keeping formula and pack differences explicit.
- Check official clinical summaries, human studies and current reviews relevant to the intended use. An ingredient study does not prove an entire blend works.
- Assess dose, medication context, source restrictions, nutrient overlap and practical use.
- Inspect exact independent quality records when available. Brand-wide, ingredient-only, dietary and manufacturing claims receive narrower credit.
- Use dated USD prices only when the retailer offer and reviewed pack match. Assess format/burden separately and publish a reason for each assigned point.
Missing information and independence
An unverified quality record earns limited documentation credit, not an accusation of failed testing. Missing fresh matched prices normally limit Value fit to 3/5; substantial burden or formula ambiguity can lower it further. Prices and certification claims from different versions are not silently combined. Customer-star snapshots remain separate. Affiliate availability, clicks, commission rate and commercial relationships do not add points.
Review basis and changes
This review used published sources; Supplement Explained did not perform laboratory testing, buy or personally use these 94 products for this assessment. Clinical sources do not endorse our scores. The 2026-10-07 review replaced the previous text-keyword scoring with explicit source-reviewed records and reassessed the 41 previously scored products alongside 53 newly scored products.
Score date and method version appear on every product. When article content changes, its stored score must be reviewed again; unmatched records are withheld instead of generating a new number from keywords. New products require a documented assessment before receiving a score. Prices remain dated snapshots, and major label/research/certification changes can require reassessment.
What can lower a score
- Unclear active dose or confusing serving-size math.
- Strong front-label claims that outrun the evidence grade.
- No clear testing, COA, NSF, USP, Informed Sport, or equivalent quality proof when the category makes that important.
- Medication, pregnancy, surgery, lab-test, or chronic-condition risk that is not handled clearly.
- A premium price that is not justified by a clear formula, quality, or routine advantage.
What the score can tell you
Supplement Explained does not currently have a named doctor reviewer. Instead of pretending otherwise, the score makes the analysis more auditable. Readers can see which decision factors were weighed and where confidence is limited. That is more useful than a vague “expert approved” badge with no real person or process behind it.
External standards used to check the method
The score is a Supplement Explained editorial framework, not a government or clinical rating. Its claim, safety, and label checks are grounded against the NIH Office of Dietary Supplements fact sheets, the FDA consumer guidance for dietary supplements, and the FTC Health Products Compliance Guidance. These sources help define what must be verified; they do not endorse our scores or the products we analyze.
Is the Supplement Explained Score a medical recommendation?
No. It is an editorial decision-support score. It cannot account for your diagnosis, medications, pregnancy status, kidney or liver function, surgery plans, lab results, or treatment goals.
Does a higher score mean the product is guaranteed to work?
No. It means the buying decision is easier to evaluate from the information available. Outcome confidence still depends on the ingredient, dose, use case, and individual context.
Can a product with no third-party testing still score well?
Sometimes, but missing testing should lower quality-proof confidence in categories where contamination, potency, sport eligibility, or purity are especially important.
Key takeaways from Supplement Explained Score
- The score is built for product decisions, not medical advice.
- The five axes are label clarity, evidence transfer, safety fit, quality proof, and value fit.
- Missing proof, vague claims, unclear dosing, and safety complexity should lower confidence.
- The score shows the criteria behind our product comparisons.
Editorial information
What the score means
- It rates decision support. A higher score means the page has more visible information for a calmer buying decision.
- It does not diagnose or prescribe. A score cannot decide whether a supplement is appropriate for your health history, labs, medicines, pregnancy status, or treatment plan.
- It can expose weak products. A product can lose confidence when the label is unclear, the testing language is vague, or the evidence does not match the actual formula.
- It can expose weak pages too. If an analysis does not show safety, evidence, quality, and value tradeoffs clearly enough, the decision confidence should stay lower.
Supplement Explained Score axis table
This table makes the score easier for readers and AI answer systems to parse as separate evidence-weighted checks instead of a single unexplained number.
| Axis | What it checks | What can lower it | Evidence type |
|---|---|---|---|
| Label clarity | Serving size, active amount, form, other ingredients, and label transparency. | Unclear active amount, hidden blend math, missing serving context. | Product label / manufacturer facts |
| Evidence transfer | Whether ingredient evidence reasonably maps to this dose, form, and use case. | Brand claims, animal-only evidence, or dose mismatch. | Human evidence / evidence boundary |
| Safety fit | Side effects, interactions, contraindications, and who should skip or ask a clinician first. | Medication conflicts, pregnancy, surgery, kidney/liver issues, abnormal labs. | Safety guidance / caution context |
| Quality proof | Testing, certification, COA visibility, and contamination or label-trust signals. | No visible testing proof, vague quality language, missing verification. | Third-party testing / quality signal |
| Value fit | Price per useful serving, routine burden, dose practicality, and recurring cost. | High cost, large serving burden, unclear dose economics. | Retailer snapshot / editorial value math |
Supplement Explained Score FAQ
These short answers define what the score can and cannot support.
Is the Supplement Explained Score a medical recommendation?
No. The Supplement Explained Score is an editorial buying-decision score. It is not a medical recommendation, diagnosis, lab certificate, or guarantee that a product will work.
What does the Supplement Explained Score measure?
The score measures label clarity, evidence transfer, safety fit, quality proof, and value fit so readers can see which parts of the product decision look stronger or weaker.
Can a high score still be wrong for me?
Yes. A high score can still be wrong for a reader with medication use, pregnancy, surgery, kidney or liver issues, abnormal labs, side effects, or a different supplement goal.
Does third-party testing automatically create a high score?
No. Testing proof can improve the quality-proof axis, but the score also considers label clarity, evidence fit, safety context, and value fit.
Why does the score separate ingredient evidence from product proof?
Ingredient research may support a general mechanism or dose range, but it does not automatically prove that the exact product, serving size, form, and label quality will deliver the same result.