Box Breathing & 4 vs Supplement Guide

The app provides a simple timer to guide your box breathing practice or 4-7-8s exercise. Box breathing is a technique used to calm yourself down using a simple four-second cycle for each step: inhale, hold, exhale, hold – and repeat. Also known as Navy SEAL breathing or tactical breathing.

Supplement Guide helps you find the right supplements for your health goals — backed by published research, not influencer hype. Browse over a hundred supplements across different health goals — from sleep and energy to prenatal, metabolic, and eye health — with clear, evidence-based recommendations, commonly studied dosage ranges, cautions, and confidence labels. Whether you're starting from scratch or cutting through conflicting advice online, Supplement Guide gives you a research-first starting point. WHAT YOU GET • 18 health goals — sleep, energy, muscle, weight, joints, focus, immunity, prenatal, and more • 100+ supplements — each with evidence summaries and PubMed citations • Evidence summaries — research claims with Strong, Moderate, or Limited confidence labels • Personalized recommendations — ranked by relevance to your goals • Global search — find any supplement across all goals • Supplement detail pages — commonly studied doses, cautions, and overviews • Saved — bookmark supplements you want to revisit • Schedule — build your daily supplement list, set reminder times, and check off doses • Daily reminders — local notifications on your device (no account required) • PubMed links — read the original research yourself WHY USERS TRUST IT • Evidence-first — every claim tied to published research with citations • No medical jargon — plain-language summaries anyone can understand • Goal-oriented — recommendations matched to what you actually want to improve • Transparent limitations — we label when evidence is weak or mixed • Private by default — your goals, saved list, and schedule stay on your device HOW IT WORKS 1. Choose your health goals 2. Review your personalized, evidence-based recommendations 3. Read the research and dosage guidance on each supplement 4. Save supplements to revisit, or add them to your Schedule with daily reminders 5. Check off today's doses and edit goals anytime as your priorities change AFFILIATE DISCLOSURE Some supplement pages include Amazon affiliate links. We may earn a commission from qualifying purchases at no extra cost to you. This does not influence which supplements we include or how we rank evidence. IMPORTANT Supplement Guide provides general wellness information only. It is not medical advice and does not diagnose, treat, or cure any condition. Always consult a qualified healthcare provider before starting, stopping, or changing any supplement regimen — especially if you are pregnant, nursing, or taking prescription medications. Download Supplement Guide. Smarter choices. Real evidence.