Explore Capsules
11 capsules

The Supplement Buyer's Guide: Evidence, Safety, and Claims
Supplements are a huge business built on surprisingly thin proof, and your money and health are both on the line. These claims differ on how much to trust an industry with weak regulation, when high doses become risky, and which specific needs, like folic acid in pregnancy or B12 on a plant-based diet, genuinely justify a pill. You'll come away able to judge which bottles earn a place in your cabinet and which to skip.

A Dieter's Guide to Preserving Muscle During Weight Loss
Losing weight without losing muscle requires more than just cutting calories. The strategies differ on how to balance diet, strength training intensity, and protein intake to protect muscle mass. Some focus on steady, moderate calorie deficits combined with progressive strength training, while others emphasize the timing and type of exercise or prioritize protein to support muscle repair. Understanding these approaches helps you choose the best path to lose fat while keeping your strength and muscle intact.

A Woman's Guide to Creatine After 40: Safety, Dosing, Sources
Creatine can support strength, muscle maintenance, and healthy aging for women after 40 when it is used with clear attention to safety, dose, and product quality. Readers will learn how creatine works, how to evaluate common forms and sources, and how to make informed choices that fit their health goals and conversations with a clinician.

Peter Attia's Outlive: Longevity Guidelines, Evidence, and Tradeoffs
Longevity medicine offers varied guidelines on exercise intensity, supplement timing, medical screening, and cold exposure. These guidelines differ on how to balance rigorous research with practical daily actions, when to intervene medically, and how to safely apply cold therapies. Understanding these differences helps you choose personalized strategies for healthspan and lifespan optimization.

Ultra-Processed Foods: Classification, Nutrition, and Public Health Tradeoffs
Ultra-processed has become shorthand for bad, but the label lumps fortified staples in with junk food. These claims challenge the panic from different angles: flaws in the NOVA classification, media oversimplification, and cases where processing genuinely adds nutrition. Reading them equips you to judge food quality past the buzzword.

A Pet Owner's Guide to Raw, Homemade, and Kibble Diets
Raw diets, home cooking, and regulated kibble all come with confident advocates and real risks. The approaches here split over whether raw food's antinutrients cause dangerous deficiencies, how much to trust formulated balanced diets, and whether precise nutrient correction matters more than regulation. Your pet's health rides on which camp you feed from.

Autoimmune Elimination Diets: Carnivore Claims and Clinical Cautions
People with autoimmune conditions report dramatic relief on all-meat elimination diets, while clinicians warn about nutrient gaps and missing long-term evidence. The views run from gut-health arguments for cutting plant foods entirely to insistence that elimination diets stay diagnostic, temporary, and supervised, with systematic reintroduction at the end. Weighing the enthusiasm against the warnings helps you judge whether the experiment is worth the risk for you.

Breakfast and Health: Marketing, Metabolism, and Personal Routine
Breakfast sits at the intersection of nutrition science, food marketing, metabolism, and daily habit. This overview explains how claims about the first meal of the day developed, what research suggests about skipping or eating breakfast, and why individual routines, energy needs, and health goals matter. Readers will be better equipped to evaluate breakfast advice and make deliberate choices that fit their own bodies and mornings.

Retinol and Niacinamide: A Dermatologist-Guided Skincare Plan
Retinol and niacinamide can transform skin or wreck it, and the difference is how they are used. Against the belief that off-the-shelf products alone suffice, the case here is for dermatologist-guided routines: right concentrations, gradual introduction, and strict sun protection. Treated as a science instead of guesswork, the same ingredients repair your skin barrier rather than inflame it.

The Exerciser's Playbook for Fitness Beyond the Scale
Fitness beyond the scale means measuring progress by strength, cardiovascular health, injury resistance, and consistency in real life. Readers learn how to build capacity gradually, tailor training to their own body and circumstances, and judge fitness claims with a clear eye for where the evidence is strong or limited.

Salt and Health Guidelines: Measurement, Genetics, and Policy
Salt and health guidelines depend on how sodium intake is measured, how individual biology affects salt sensitivity, and how population policies translate evidence into recommendations. Readers will understand the main sources of disagreement behind sodium targets, including measurement uncertainty, genetic variation, and the record of public health interventions.