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ROI Stack Suppléments (Preuves Gradées) — Outil en ligne gratuit

Nontation A/B/C/D preuves + coût vs bénéfice

Coche tes suppléments → grade preuves (Créatine A, Oméga-3 B, NMN D-) + ratio coût/preuves. Honnête — sans lien d'affiliation. Sans inscription.

Tick what you take + monthly cost:

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En savoir plus

Supplement Stack ROI (Evidence-Graded)

Honest evidence ratings. Most popular longevity supplements have weak human data. We tell you which 5 are worth keeping and which 15 you can drop.

How to use this tool

  1. 1

    Tick supplements

    What you currently take.

  2. 2

    See evidence grade

    A (strong) to D (weak/mostly hype).

  3. 3

    Coût vs benefit

    Identify the bad-ROI ones to drop.

Frequently Asked Questions

How are evidence grades assigned?
A: Multiple RCTs + meta-analyses with consistent positive effect (e.g. creatine for strength). B: Some RCTs, mostly positive, mechanism plausible (e.g. omega-3). C: Mixed evidence or only mechanistic / animal data (e.g. ashwagandha). D: Mostly preclinical, marketing-led, or human studies show null effect (e.g. NMN for longevity in humans).
Why is the supplement industry so misleading?
$160B/year, mostly unregulated. Brands pay influencers, sponsor "studies", confuse mechanism with outcome. Bryan Johnson takes 100+ supplements; most have D-grade evidence. Healthspan = exercise + sleep + diet > all supplements combined.
Which supplements are actually worth it?
A-grade for most: creatine 5g/day, vitamin D (if deficient), omega-3 (if not eating fish 2×/wk). B-grade: magnesium glycinate, fiber if low intake, protein powder if struggling to hit target. Everything else: case-by-case.

À retenir

  • Supplement Stack ROI (Evidence-Graded) is a free, browser-based calculator tool — a/b/c/d evidence rating + cost vs benefit.
  • Non signup, no downloads, no file uploads. Outils run in your browser; the few that need an outside service say so on the page.
  • Works on desktop, tablet, and mobile. Install as a PWA for offline access.

How to Use Supplement Stack ROI (Evidence-Graded)

  1. Open the tool: Launch Supplement Stack ROI (Evidence-Graded) on Outilolis — no account or download needed.
  2. Enter your data: Paste text, enter values, or select a file directly in your browser.
  3. Get instant results: Everything is processed locally — results appear immediately.
  4. Copy or download: Save your output or share it. Bookmark for quick access next time.

Supplement Stack ROI (Evidence-Graded) — Quick Facts

Prix
Gratuit — sans limites, sans filigrane, sans paywall
Confidentialité
Traité dans votre navigateur. Les outils qui ont besoin d’un service externe l’indiquent sur la page. Les visites sont comptabilisées (Google Analytics).
Plateforme
Tout navigateur moderne — desktop, tablette ou mobile
Catégorie
Calculateur Outils on Outilolis
Hors ligne
Works offline after first visit (Progressive Web App)
CaractéristiqueDétails
OutilSupplement Stack ROI (Evidence-Graded)
CatégorieCalculateur
Inscription requiseNon
Téléversement de fichierAucun — traité dans le navigateur
Compatible mobileEntièrement adaptatif
CoûtGratuit pour toujours

Why Use Supplement Stack ROI (Evidence-Graded)?

You should try Supplement Stack ROI (Evidence-Graded) for a quick, private way to a/b/c/d evidence rating + cost vs benefit. Processing happens in your browser and files are never uploaded; the few tools that need an outside service say so on the page.

On the other hand, dedicated APIs or desktop tools suit batch processing better. They also handle server-side automation. For everyday tasks, browser tools offer the best speed, privacy, and convenience.

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100% Confidentialité. Cet outil fonctionne entièrement dans votre navigateur. Vos données ne sont jamais envoyées à un serveur.