Testosterone Therapy A 2025 pilot study (La Vignera et al., Reprod Biol Endocrinol ) followed 83 overweight men for 8 weeks: Group A: weekly tirzepatide (2.5 mg then 5 mg) Group B: transdermal TRT (AndroGel 1.62%) at manufacturer's guideline-based dosing Men in the tirzepatide group lost more weight and waist circumference and showed a natural rise in testosterone and a fall in estradiol
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Hydration and nutrient absorption continue for the next 24-48 hours
Why this matters GLP-1 medications slow down your digestion, which means your stomach may still be full even if you have followed the standard fasting rules
Bhattacharyya T, Walker M, Powers NR, Brunton C, Fine AD, Petkov PM, Handel MA (2019) Prdm9 and meiotic cohesin proteins cooperatively promote DNA double-strand break formation in mammalian spermatocytes
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