Guide

Got questions about cold plunge? Here are the answers. General Questions What is cold plunge? Cold plunge is immersing your body in cold water (typically 33-59°F) for therapeutic benefits including reduced inflammation, improved mood, and faster recovery. How cold should it be? Beginners: 50-59°F Intermediate: 40-50°F Advanced: 33-40°F How long should I stay in? Beginners: 1-2 minutes Intermediate: 2-5 minutes Advanced: 5-10 minutes Total weekly: 11 minutes (Huberman recommendation) How often should I cold plunge? General wellness: 2-3x/week Athletic recovery: 3-5x/week Serious biohacking: Daily Is cold plunge safe? For healthy adults, yes. Consult your doctor if you have cardiovascular conditions, Raynaud’s disease, or are pregnant. ...

Your complete guide to NAD+ supplements in 2026. Everything from basics to advanced protocols. What is NAD+? NAD+ is a coenzyme found in every cell, essential for: Energy production DNA repair Cellular signaling Hundreds of metabolic reactions NAD+ levels decline ~50% between ages 40-60, contributing to aging and age-related diseases. NAD+ Precursors NMN (Nicotinamide Mononucleotide) One step from NAD+ Growing human research Popular in biohacking community Dose: 500-1000mg/day NR (Nicotinamide Riboside) Two steps from NAD+ Extensive human research FDA GRAS status Dose: 300-600mg/day Benefits Proven Raises blood NAD+ levels Safe and well-tolerated Improves metabolic markers Promising Anti-aging effects Cardiovascular support Cognitive benefits Exercise performance Top Products Best NMN: ProHealth Longevity NMN Pro 99%+ purity Third-party tested $50-80/month Best NR: Tru Niagen FDA GRAS 30+ clinical trials $47.95/month Protocol Morning (with breakfast): ...

NMN (Nicotinamide Mononucleotide) has become one of the most popular anti-aging supplements. Here’s everything you need to know. What is NMN? NMN is a naturally occurring molecule that’s a direct precursor to NAD+ (Nicotinamide Adenine Dinucleotide). NAD+ is essential for: Cellular energy production DNA repair Sirtuin activation (longevity genes) Metabolic function Hundreds of enzymatic reactions NMN is found in small amounts in foods like broccoli, avocado, and edamame, but supplementing provides much higher doses than diet alone. ...

Getting the right dose of red light therapy is crucial for effectiveness. Here’s how to calculate your optimal dose. The Biphasic Dose Response The Arndt-Schulz Law applies to RLT: Too little — No effect Optimal — Maximum benefit Too much — Reduced benefit or inhibition More is NOT always better. There’s an optimal dose range. Key Dosing Parameters 1. Irradiance (Power Density) Measured in mW/cm² How much light power reaches your skin Higher irradiance = shorter treatment time Optimal range: 30-100 mW/cm² at treatment distance ...

Got questions about red light therapy? Here are answers to the most frequently asked questions. General Questions What is red light therapy? Red light therapy (RLT) uses specific wavelengths of red (630-660nm) and near-infrared (810-850nm) light to stimulate cellular healing. It’s also called photobiomodulation (PBM) or low-level laser therapy (LLLT). How does it work? RLT photons are absorbed by mitochondria (cellular powerhouses), boosting ATP (energy) production. This enhances cellular repair, reduces inflammation, and promotes healing. ...

New to red light therapy? This beginner’s guide covers everything you need to know — from the science behind it to how to choose your first device and use it effectively. What is Red Light Therapy? Red light therapy (RLT), also known as photobiomodulation (PBM) or low-level laser therapy (LLLT), uses specific wavelengths of light to stimulate healing at the cellular level. Unlike UV light (which can damage skin), red and near-infrared light are beneficial. They penetrate the skin and are absorbed by mitochondria — the powerhouses of your cells — boosting energy production. ...

With so many NMN sellers online, it’s hard to know who to trust. Here’s your guide to buying high-quality NMN. What to Look For 1. Third-Party Testing Non-negotiable. Any reputable NMN brand should provide third-party lab results showing: Purity (should be 99%+) Heavy metals testing Microbial testing Identity verification 2. Proper Storage & Shipping NMN is sensitive to heat and moisture. Look for: Cold storage or temperature-controlled shipping Dark/opaque packaging (light degrades NMN) Desiccant packets in containers 3. Transparent Sourcing The brand should clearly state: ...