News
Studies5 min read
Stroke data tie Cerebrolysin to better cognition after prior decline
A new analysis of the C-REGS2 stroke study found that Cerebrolysin was linked to better 90-day cognition, with the largest gains in people who had cognitive decline before their stroke.
Guide6 min read
How to tell a rat study from a human trial
Most headlines about a peptide hide the species behind the finding. Learn to spot whether a claim rests on a rat study or a human trial, and what each level of evidence can and cannot tell you.
Studies4 min read
What the studies show about CJC-1295 in 2026
One injection of CJC-1295 kept growth hormone and IGF-1 elevated for days in controlled trials, but no human study has connected that to muscle, recovery, or body-composition benefit.
Studies5 min read
Humanin protected neurons, ovaries, and eyes in new studies
Three 2026 studies tested Humanin's cell-protection claims in aging neurons, ovarian support cells, and a rat model of retinal degeneration. The work adds detail, but no human trial changed.
Studies5 min read
Retatrutide's 80-week trial shows weight loss and knee pain relief
In an 80-week trial, retatrutide led to weight loss up to 25% and reduced knee osteoarthritis pain more than placebo. A second diabetes trial used the same design.
Studies4 min read
Microneedling with GHK-Cu works in models but human trials lag
Two 2026 reviews find microneedling helps GHK-Cu cross the skin barrier in lab and pig-skin models, yet the human evidence remains small and mixed.
Product update1 min read
Introducing Today and My Stack
A tracker for what you run: add a peptide, set its schedule, log each entry with one tap, and keep every vial counted. Free on every plan.
Guide3 min read
Keeping track of what you are researching
What to write down about each compound you research, why a saved list beats a chat scrollback, and how My Stack shapes later answers without becoming a plan.
Studies5 min read
Tirzepatide users stay on treatment longer than semaglutide users
Three real-world studies looked at [tirzepatide](/peptides/tirzepatide) in routine care. They found higher adherence than semaglutide, Zepbound had the most super responders, and lithium monitoring matters.
Guide5 min read
Asking a follow-up that narrows an answer
A broad question gets a broad answer. The second question is where you choose the population, outcome, or study design.
Studies4 min read
Semax mentions in clinic notes are rising for cognition and stress
A preprint study used large language models to read de-identified clinical notes and found that documented Semax use is climbing. Patients most often cited cognition and mood or stress as their reasons.
Studies4 min read
What the studies show about AOD-9604 in 2026
AOD-9604 is a lab-made growth hormone fragment. In 2026, animal studies still show fat loss without insulin effects, but human research stopped at early safety reports.
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