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Articles & Research

Scientific Content Hub

Evidence-based articles, research reviews and scientific summaries for fitness, supplementation and longevity.

Publication date: 2026-06-09Last updated: 2026-06-10Reading time: 4 min

Supplement Research

Research

Creatine Benefits Guide

Sports performance, dosage, timing, safety, sleep and practical recommendations.

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Research

Vitamin D3 + K2 Guide

Deficiency, dosage, K2 evidence, safety, athletes and product recommendations.

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Equipment

Gym Duffel Bag Checklist

The three checks that separate a gym bag that lasts from one that fails in a month.

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Equipment

Home Arm & Chest Trainer

Resistance type, adjustment range and stability — what to check before buying a compact trainer.

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Equipment

Do Vibration Plates Work?

Marketed for fat loss. Pooled data from 54 randomised trials says something quite different.

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Equipment

Hex Dumbbells & Racks

Fixed versus adjustable, and the rack spec that decides whether your set actually fits.

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Kitchen

Best Air Fryer for High-Protein Cooking

Basket versus oven for protein-first meal prep — capacity, temperature range and the coating question.

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Body Composition

Measuring Body Composition at Home

Smart scales, waist tape and what each is good for — including the honest limits of home body-fat readings.

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Kitchen

The High-Protein Kitchen

What to buy for protein-first cooking, in what order — and the four categories to skip entirely.

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Kitchen

Meal Prep Storage

Glass versus plastic, the seal that decides everything, and whether a vacuum sealer earns its place.

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Kitchen

Do You Need a Blender for Protein Shakes?

A shaker handles powder and liquid. Here is the narrow case where a blender actually earns its place.

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Kitchen

Hands-Off Cooking Appliances

What a pressure cooker with a built-in scale changes, and an honest read on the cooking robot category.

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Research

Electrolytes

Sodium, potassium, magnesium, sweat loss, cramps, endurance performance and hydration safety.

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Training Research

Longevity Research

Evidence Reviews

Scientific Summaries

Top Picks

Editor's Top Supplement Picks

The supplements our team returns to again and again — chosen for evidence quality, purity, and value.

Where to buy on Amazon

Products discussed on this page. Outside the US the links open your local Amazon store where it carries the product; stock and price differ between stores. As an Amazon Associate we earn from qualifying purchases, at no extra cost to you.

Creatine
Thorne Creatine (NSF Certified)
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Whey protein
ON Gold Standard Whey
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Fish oil
Nordic Naturals Ultimate Omega
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Vitamin D3
NOW Vitamin D3 5000 IU
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