IGF-1

IGF-1 (insulin-like growth factor 1) is a key hormone involved in muscle growth, recovery, metabolism, and overall anabolic signaling. This tag covers what IGF-1 is, how it relates to testosterone, training, nutrition, and longevity, and how to interpret IGF-1 in lab work and health optimization.

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Peptides vs TRT: Which option fits your symptoms, labs, and goals?

Peptides vs TRT: Which option fits your symptoms, labs, and goals?

Dr. Alexander Grant, MD, PhD avatar
Dr. Alexander Grant, MD, PhD: Urologist & Men's Health Advocate
Dec 31, 2025 · 11 min read

Peptides vs TRT is not a direct swap because TRT replaces testosterone while growth hormone secretagogue peptides stimulate your own growth hormone release. The right choice depends on your symptoms, your lab pattern, and whether priorities like libido, sleep, recovery, and fertility are on the table. “In clinic, the biggest mistake I see with peptides ...

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