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Daily evidence-led peptide research, regulatory news, expert digest and explainers. Every claim sourced; no AI tells.

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Explainer

Tesamorelin vs CJC-1295 with Ipamorelin

Both stacks pair a GHRH analog with ipamorelin, but tesamorelin and CJC-1295 have different half-lives and very different evidence bases.

16 Jul 2026 · PeptideMethods Editorial Team · 5 min read
Explainer

Semaglutide in Pakistan: real-world data

A 30-week Pakistan study reports HbA1c reductions of 1.86 points and 7.84 kg mean weight loss with semaglutide in routine outpatient care.

15 Jul 2026 · PeptideMethods Editorial Team · 3 min read
Explainer

Crunchometer: open-source feeding analysis

An open-source acoustic device for mice detects semaglutide appetite suppression and maps meal-tracking neurons in the lateral hypothalamus.

15 Jul 2026 · PeptideMethods Editorial Team · 5 min read
Explainer

GLP-1 vs oral agents: insulin stop in T2D

A 2026 Annals study found GLP-1 agonists did not raise insulin discontinuation rates above SGLT-2 or DPP-4 inhibitors in 8,869 veterans with type 2 diabetes.

15 Jul 2026 · PeptideMethods Editorial Team · 5 min read
Explainer

GLP-1 cancer risk vs bariatric surgery

A July 2026 study found GLP-1 receptor agonists were tied to lower colorectal and pancreatic cancer rates than bariatric surgery, not higher.

15 Jul 2026 · PeptideMethods Editorial Team · 4 min read
Explainer

CRAVE study: GLP-1, food cravings, and diet

The CRAVE study tracked 28 adults on GLP-1 agonists for 24 weeks. Weight fell, diet quality did not improve, and micronutrient intake dropped.

15 Jul 2026 · PeptideMethods Editorial Team · 4 min read
Explainer

How muscarine weakens heart contractions

Muscarine reduces cardiac contractile force in human atrial tissue only when cAMP is already elevated, including by GLP-1 agonists like semaglutide.

15 Jul 2026 · PeptideMethods Editorial Team · 4 min read
Explainer

The obesity drug pipeline in 2026

A 2026 JCEM review maps next-generation obesity drugs, from approved dual agonists to triple agonists like retatrutide still in Phase 3.

15 Jul 2026 · PeptideMethods Editorial Team · 5 min read
Explainer

Semaglutide for MASH: the corrected review

Liver International published an erratum in August 2026 to the Petta et al. semaglutide MASH review. Here is what the original said and what a correction means.

15 Jul 2026 · PeptideMethods Editorial Team · 3 min read
Explainer

Semaglutide optic neuropathy: correction

JCEM Case Reports issued a formal correction in July 2026 to a May 2026 case report on optic nerve injury after semaglutide escalation.

15 Jul 2026 · PeptideMethods Editorial Team · 4 min read
Explainer

Tirzepatide: PERCEPTIONS survey findings

The PERCEPTIONS survey (n=518, US) found health improvement was the top reason patients started tirzepatide; cost and insurance were the main barriers.

15 Jul 2026 · PeptideMethods Editorial Team · 5 min read
Explainer

Mounjaro on X: who shapes the conversation

A 2026 study of 5,566 Mounjaro tweets found that the top influencers on X are patients and public figures, not clinicians.

14 Jul 2026 · PeptideMethods Editorial Team · 4 min read