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

Page 28

Explainer

Tirzepatide, CAVI, and arterial stiffness

A 2026 retrospective cohort found tirzepatide reduced CAVI from borderline to normal, alongside weight loss and glycaemic improvements, over 12.7 months.

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

Tirzepatide breast cancer: 2026 correction

A June 2026 Cureus correction updated an author affiliation in a tirzepatide and breast cancer narrative review. The scientific findings are unchanged.

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

Tirzepatide in type 1 diabetes: new data

A July 2026 cohort found 10% mean weight loss and lower insulin needs when tirzepatide was added to insulin in adults with type 1 diabetes.

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

Dapagliflozin plus semaglutide: BMI classes

A 328-patient Saudi cohort: proportional BMI response to dapagliflozin is uniform across obesity classes; semaglutide add-on helps most in class I.

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

GLP-1 drugs and micronutrient risk

How GLP-1 receptor agonists and dual incretin drugs create vitamin and mineral gaps, which nutrients are most at risk, and what monitoring looks like.

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

GLP-1 neuro research: what 20 years shows

A 2026 bibliometric analysis mapped 1,202 publications on GLP-1 receptor agonists in neurodegenerative disease from 2006 to 2025.

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

Incretins after bariatric surgery

A US cohort of 208,155 post-bariatric patients: tirzepatide beat semaglutide on weight loss (17.2% vs 12.0%). No significant cardiovascular signal either way.

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

Orforglipron for sleep apnea: ATTAIN-OSA

ATTAIN-OSA is testing an oral GLP-1 pill against sleep apnea. Here is what the 712-participant protocol measures and how it compares to SURMOUNT-OSA.

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

Semaglutide and OA: beyond weight loss

A 2026 preclinical study shows semaglutide reduces cartilage damage and joint pain without weight change, via GLP-1R activation of autophagy in chondrocytes.

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

Semaglutide in schizophrenia: HISTORI trial

Three randomised trials show semaglutide cuts weight and blood sugar in antipsychotic-treated patients without worsening psychiatric symptoms.

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

Masters athletes: supplement review 2026

A 2026 review in Current Sports Medicine Reports assessed protein, creatine, BPC-157, and TB-500 in adults over 55. Evidence is uneven.

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

Tesamorelin: what a cognition trial found

A 2026 pilot of low-dose tesamorelin found no significant changes on cognitive tests. Machine learning flagged shifts in two brain regions linked to attention.

2 Jul 2026 · PeptideMethods Editorial Team · 4 min read