Browse · 17 breakdowns

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Filter by what a compound is, how strong the evidence behind it is, and what the trials actually found. The three filters combine, so you can ask for what this publication grades highly — or for what it does not.

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A sleepy moon character resting on a pillow, surrounded by stars and small magnesium crystals SupplementsMixed Magnesium for sleep quality Does taking magnesium before bed actually help you fall asleep faster or sleep through the night? A friendly heart character on a pedestal with an ECG trace running behind it, a testosterone vial and syringe, and a stethoscope HormonesNot supported Testosterone replacement and the heart Does testosterone replacement therapy increase cardiovascular risk? A friendly cup of green tea on a saucer with steam rising, tea leaves on one side and coffee beans on the other NootropicsSupported L-theanine and caffeine for focus Does the combination beat caffeine on its own — and how would we know? A friendly amber dropper bottle resting on a hex gym mat, with a tape measure and a lab beaker beside it SARMsSupported LGD-4033 for muscle growth Does ligandrol build muscle in healthy men — and what did its trial run long enough to detect? A friendly kettlebell character on a lifting platform, with a chalk block and a water bottle SARMsUntested RAD-140 for muscle growth Does RAD-140 build muscle in humans — and is "selective" doing the work people think it is? A friendly stopwatch character on a running track, with a running shoe and a track cone SARMsUntested Cardarine for endurance Does GW501516 improve endurance performance in humans? A friendly ashwagandha root with leaves sitting in a mortar, beside a bowl of powder and a pestle SupplementsMixed Ashwagandha for stress Does ashwagandha actually make people feel less stressed? A friendly fish on a plate with oil droplets rising, beside fish-oil softgels and a test tube SupplementsSupported Omega-3 for triglycerides Does omega-3 lower triglycerides — and does that translate into fewer heart attacks? A friendly adhesive bandage character on a pedestal, beside a gauze roll and a first-aid tin PeptidesUntested TB-500 for injury recovery Does TB-500 accelerate healing of muscle, tendon or ligament in humans? A friendly capsule character on a pedestal, beside a pill bottle and a plate with a fork PeptidesNot supported MK-677 for muscle and strength Does ibutamoren build muscle or make people stronger? A friendly coffee mug on a coaster with lightning bolts rising, beside coffee beans and a tablet blister pack SupplementsSupported Caffeine for performance and alertness Does caffeine actually improve exercise performance and mental sharpness? A friendly grape cluster on a pedestal, beside a glass of wine and vine leaves LongevityMixed Resveratrol for metabolic health Does resveratrol improve glycemic control in people with type 2 diabetes? A friendly lion’s mane mushroom on a log slice with swirls rising, beside an open book and a mushroom cluster NootropicsMixed Lion's Mane for memory and focus Does Hericium erinaceus improve cognitive function in humans? A friendly orange in a bowl, beside a tissue box and a thermometer SupplementsNot supported Vitamin C for preventing the common cold Does taking vitamin C regularly stop you from catching colds? A friendly peptide vial on a tray, beside a syringe and a small vial box PeptidesUntested BPC-157 for tendon and soft-tissue healing Does BPC-157 accelerate healing of tendons, ligaments, or gut tissue in humans? A friendly hourglass character with sand running through it, beside a capsule bottle and a young sprout LongevityNot supported NMN for slowing aging Does taking NMN improve any measured health outcome in humans? A friendly tub of creatine powder resting on a stack of weight plates, with a scoop and a dumbbell nearby SupplementsSupported Creatine monohydrate for strength and lean mass Does taking creatine alongside resistance training build more muscle and strength than training alone?