257. How To Build Muscle, Stay Lean, And Increase Your Health Span After 40

The Kris Gethin Podcast

Most men over 40 think that slowing down, losing muscle, and gaining fat is just what aging does to them. But I am 52 with a biological age of 20, and I am here to tell you that age is not your problem. The excuses, the poor sleep, the sloppy programming, and the blind faith in stimulants and shortcuts are.

In this episode of the Kris Gethin Podcast, I break down the exact training, nutrition, sleep, supplementation, and recovery principles that have allowed me to outperform most men half my age. Walk away from this episode finally understanding what is actually keeping you stuck, what to fix first, and what it genuinely takes to build muscle, stay lean, and perform at your best after 40.

What's Discussed:

(3:26) The real reasons men fall off after 40 and none of them are biological.

(4:45) Four focused sessions versus six sloppy ones and which one actually builds muscle.

(6:19) Cardio and muscle after 40 and what the research actually says about concurrent training.

(11:35) How much protein you actually need per meal to maximize muscle protein synthesis after 40.

(16:13) One night of bad sleep reduces testosterone by 24% and muscle protein synthesis by 18%.

(25:31) Creatine after 40 and its growing role in both muscle and cognitive performance.

(27:27) Paraxanthine versus caffeine and what actually happens when you make the switch.

(32:00) Peptides, hormones, and when advanced therapies are actually earned

Listen to this episode of the Kris Gethin Podcast and finally understand what is actually standing between you and the best version of yourself after 40. Because it was never your age.

Find more from Kris: Website: www.krisgethin.com/

Instagram: @krisgethin/

Youtube: www.youtube.com/krisgethin

2 Shred: www.unmatchedsupps.com/products/2shred

Resources Referenced in This Episode:

Red Light Therapy Brand: Red Light Rising Link: https://redlightrising.co.uk/Code: GETHIN5

Lumaflex, click here and use Code: KRISGETHIN (10% off)

  • Collagen

  • BPC-157

  • TB-500

  • GHK-Cu

  • KPV

  • Cartilax

  • Sigma / Bio Cartilage / Nova Cartilage

  • Vesugen

Thank you to our sponsors:

2026-04-30 40 min

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