HackedSelf

Practical biohacking to live longer and stronger, with protocols, supplement stacks, and gear reviews across longevity, sleep, nutrition, fitness, and recovery.

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Artificial sweeteners interact with gut bacteria in ways that shift depending on what other substances arrive in the digestive tract at the same time.

Nutrition • Jul 17, 2026 •11 min read

Artificial Sweeteners Gut Bacteria Risks Across 39 Types

Artificial sweeteners gut bacteria research shows 39 sweeteners act differently when combined with caffeine and medications. Find your safest options.

#artificial-sweeteners #gut-microbiome +3

An individual performing strength training for longevity to enhance overall muscle function and physical independence.

Fitness • Jul 15, 2026 •12 min read

Strength Training for Longevity Tests Your Muscle Age

Strength training for longevity goes beyond muscle size. Test your grip, gait speed, and lower body power with a protocol built for healthspan.

#strength-training-for-longevity #muscle-mass-and-lifespan +6

Semaglutide longevity research examines whether GLP-1 medications influence biological aging markers beyond their established metabolic effects.

Longevity • Jul 15, 2026 •13 min read

Semaglutide Longevity Evidence Is Real but Narrow

Semaglutide longevity evidence comes from HIV patients, not healthy adults. The clock data reveals what changed and whether GLP-1 belongs in your protocol.

#semaglutide #glp-1 +4