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Evidence-based · Independent reviews · Updated 2026

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We review Thorne, Whoop, Fullscript, AG1, and the top longevity supplements — independently, without the marketing spin.

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Our top-rated products

🧪 Thorne 9.2/10 💍 Oura Ring 4 9.0/10 💊 Fullscript 8.9/10 ⌚ Whoop 4.0 8.8/10 🥬 AG1 8.1/10

Products we cover

Reviewed without bias

We test and rate every product ourselves. No sponsored content, no brand deals — just the evidence.

Premium supplements backed by NSF certification. The gold standard for quality-conscious buyers.

AG1 (Athletic Greens)

All-in-one greens supplement with 75 ingredients. Worth $99/month? We crunch the numbers.

Recovery and strain wearable for serious athletes. Subscription model with continuous tracking.

Practitioner-grade supplement platform. Access professional brands at a discount.

The best sleep and HRV tracking ring on the market. Sleek, accurate, and non-invasive.

CGM + metabolic health platform. Real-time glucose insights for optimizing energy and longevity.

Latest reviews & guides

Evidence-based longevity content

Thorne Supplements Review 2026

NSF-certified, practitioner-trusted, and genuinely effective. But is the price premium justified?

May 20269 min read

AG1 Review 2026: Is It Worth $99/Month?

We break down every ingredient in AG1 against the science. A fair verdict on the most-hyped greens drink.

May 202611 min read

Whoop 4.0 Review 2026

After 90 days on Whoop, here's what we found. Recovery scores, sleep tracking, and the subscription model explained.

Apr 202610 min read

Oura Ring 4 Review 2026

The most accurate consumer HRV and sleep tracker available. Full hands-on review with data comparisons.

Apr 20269 min read

Best NMN Supplements 2026: Ranked

NMN is the most researched longevity molecule after resveratrol. We rank the top brands by purity and value.

Mar 202612 min read

Thorne vs Garden of Life: Which is Better?

Two premium supplement brands, two very different philosophies. Which one wins for longevity-focused buyers?

Mar 20268 min read

AG1 vs Huel: Which Greens Supplement Wins?

Both promise complete nutrition. Only one is worth the money. A head-to-head on ingredients, taste, and value.

Feb 20269 min read

Fullscript Review: Practitioner Supplements Explained

Access the same supplements doctors prescribe — at a 10-20% discount. Full platform walkthrough and verdict.

Feb 20267 min read

What is Biological Age? How to Measure and Reduce It

Your chronological age is just a number. Your biological age is what actually matters for longevity.

May 202610 min read

Best Longevity Supplements 2026: Evidence-Based Picks

From NMN to Rapamycin to Magnesium — the supplements with real research behind them, ranked by evidence.

Apr 202615 min read

NAD+ vs NMN: What's the Difference?

Both are everywhere in longevity circles. Here's what the science actually says about which to take.

Mar 20268 min read

Best Supplements for Energy and Focus 2026

Skip the caffeine crash. These science-backed supplements improve mitochondrial function and sustained focus.

Mar 20269 min read

How to Improve Heart Rate Variability (HRV)

HRV is one of the best predictors of longevity and health. Here's how to move the needle, backed by research.

Feb 202611 min read

How to Build a Longevity Supplement Stack

Stop buying random supplements. Here's a framework for building a stack based on your actual health goals.

Jan 202613 min read

Best Supplements for Sleep Quality 2026

Magnesium, L-theanine, glycine — what actually works for deep sleep vs. what's just marketing.

Apr 202610 min read

Whoop vs Oura Ring: Which Wearable Wins?

Both track sleep, recovery, and HRV. One does it much better than the other. Here's our full comparison.

Mar 202612 min read

Magnesium Glycinate: Benefits, Dosage, and Best Brands

The most bioavailable form of magnesium for sleep and muscle recovery. Which brand is actually worth buying?

Feb 20268 min read

What is Longevity Science? A Beginner's Guide

From Sinclair to Attia to the Blue Zones — a clear-headed intro to the science of living longer, better.

May 202610 min read

Biological Age vs Chronological Age Explained

What's the difference, how is biological age measured, and what can you actually do to reduce it?

Apr 20269 min read

The 12 Hallmarks of Aging — And What to Do About Them

The landmark paper that changed longevity science. What each hallmark means and which supplements target them.

Mar 202614 min read

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Independent by design

We built BioAgeIQ because we couldn't find a longevity resource that wasn't compromised by affiliate pressure.

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Evidence-first

Every claim is grounded in peer-reviewed research. We link to primary sources, not press releases.

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Hands-on testing

We buy and use the products we review. If we haven't tested it ourselves, we'll tell you.

Start with our top picks

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