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Evidence-led entry points for non-clinicians. What is a GLP-1 receptor agonist, what does ATC A10BX mean, why are some peptides legal in Russia but not the EU.

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15-PGDH and muscle loss on GLP-1 drugs

A Stanford mouse study finds that inhibiting 15-PGDH preserved muscle repair during semaglutide weight loss without reducing fat loss.

3 Jun 2026 · PeptideMethods Editorial Team · 3 min read
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GLP-1 and GIP drugs in fat cells

A 2026 review maps what GLP-1 and dual GIP/GLP-1 agonists do inside human adipocytes, and finds most evidence still comes from rodent models.

3 Jun 2026 · PeptideMethods Editorial Team · 4 min read
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Tirzepatide and Lithium Toxicity: A Case

A case report ties tirzepatide to lithium toxicity severe enough for hemodialysis. What GLP-1 patients on lithium should know.

3 Jun 2026 · PeptideMethods Editorial Team · 3 min read
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Anti-dementia drugs in 2026: what works

A German review covers old-line dementia drugs, new amyloid antibodies, and why semaglutide failed in two large Alzheimer's trials.

1 Jun 2026 · PeptideMethods Editorial Team · 4 min read
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Bacteriostatic water and the 28-day rule

Bacteriostatic water contains 0.9% benzyl alcohol to inhibit bacterial growth. Here is how long it lasts, what degrades it, and when to discard it.

1 Jun 2026 · PeptideMethods Editorial Team · 4 min read
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CagriSema vs tirzepatide for obesity

A network meta-analysis of 25 trials ranked tirzepatide 15 mg and CagriSema as the top weight-loss treatments. But direct trial data tells a different story.

1 Jun 2026 · PeptideMethods Editorial Team · 4 min read
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DNA-based GLP-1 delivery via MYO Technology

A single injection of plasmid DNA encoding GLP-1 produced sustained weight loss for over a year in obese mice. What the data shows.

1 Jun 2026 · PeptideMethods Editorial Team · 4 min read
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Eli Lilly wins over Noom GLP-1 dose claims

The NAD recommended Noom drop its 'A Smaller Dose. A Smarter Start' tagline after Eli Lilly challenged the claim as unsupported by evidence.

1 Jun 2026 · PeptideMethods Editorial Team · 4 min read
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GLP-1 drugs and lipedema: early evidence

A 2026 Dermatologic Surgery review found only two studies of GLP-1 receptor agonists in lipedema. The rationale is real, but the clinical evidence is thin.

1 Jun 2026 · PeptideMethods Editorial Team · 4 min read
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Semaglutide in type 1 diabetes: Danish data

Danish registry data on 879 people with T1D who started semaglutide: HbA1c fell 0.52%, with no rise in hypoglycaemia or DKA hospitalisations.

1 Jun 2026 · PeptideMethods Editorial Team · 4 min read
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Tirzepatide in Japan: real-world T2D data

A 324-patient Japanese study found tirzepatide cut HbA1c by 0.9 points and weight by 2.0 kg in 24 weeks of routine care.

1 Jun 2026 · PeptideMethods Editorial Team · 3 min read
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Mounjaro and Zepbound: same drug, different names. Here is why

Mounjaro and Zepbound are both Eli Lilly's tirzepatide. Same molecule, same doses, different brands sold for different indications. The marketing split is regulatory, not pharmacological.

30 May 2026 · PeptideMethods Editorial Team · 4 min read