Garmin vs Polar: which watch to choose for sport
Running, cycling, triathlon or the gym: ecosystems, real-world accuracy, recovery and three-year cost to help you choose between Garmin and Polar.
Read the analysisThe biohacking register
Analyses, protocols and critiques to distinguish useful signals from noise in nutrition, sleep, performance and supplementation.
Recent features
Garmin vs Apple Watch: which watch should you choose?
Garmin or Apple Watch for sport, sleep and health? A comparison by use, battery life, phone and actual cost over two years.
Stevia or erythritol: which should you choose?
Erythritol or stevia? Compare taste, baking, blood sugar and digestion. Check stevia-erythritol blends and the cardiovascular signal before buying.
WHOOP vs Apple Watch: which tracker should you choose?
WHOOP or Apple Watch for recovery and training? A comparison of sleep tracking, GPS, screens, subscriptions and two-year costs.
Sports recovery drinks: which should you choose?
Water, electrolytes, milk or protein powder: a decision matrix based on your workout, a comparison table and a method for reading labels.
Ultrahuman Ring Pro vs Air: which should you choose?
Ring Pro or Ring Air: price, comfort, battery life, measurements and total cost compared, with a verdict for each user profile and the limits of validation.