Uploaded December 2025 | Updated September 2026, 2 weeks ago
Thanks to @timelinelongevity for sponsoring this video! Want to try the Mitopure Gummies for yourself? Get a FREE sample while supplies last here: bit.ly/43EaXy6
If you’re a man over 40, your muscles will literally disappear if you fail to take the steps I’m going to outline in this video.
In your 20s, you could hit the gym a few times a week, load up on pizza and burgers, and still pack on muscle.
Even if you took weeks off from the gym, you’d come back looking the same — strong, full, and ready to pick up right where you left off.
But after 40, things start to change.
Research shows we can still build just as much muscle as we did in our 20s… but it takes a lot more intention.
Because once your body starts working against you, doing the wrong things won’t just stall your progress — it can actually make you smaller and weaker, even if you’re consistent in the gym.
And that’s exactly what we’re covering today: five things every man over 40 must do to keep (and build) hard-earned muscle.
Skip these, and your muscles will slowly disappear over time.
In fact, number four is the biggest reason men over 40 are losing muscle year after year— and it has nothing to do with age.
[THE 2-2-2 METHOD] FREE MINIMALIST WORKOUT FOR MEN OVER 40
➜ projecthypertrophy.com/the-2-2-2-method
[MASS 40] FREE WORKOUT FOR MEN OVER 40
➜ projecthypertrophy.com/mass-40-workout-optin
[SHRED 40] FREE FAT LOSS PROGRAM FOR MEN OVER 40
➜ projecthypertrophy.com/shred-40-optin
[FULL BODY 40] FREE FULL BODY PROGRAM FOR MEN OVER 40
➜ projecthypertrophy.com/full-body-40
[COACHING] APPLY FOR OUR 1-ON-1 COACHING PROGRAM
➜ checkout.musclemonsters.com/sculpted-muscle-after-40-coaching
FOLLOW US ON INSTAGRAM:
➜ instagram.com/musclemonsters
References:
1. journals.humankinetics.com/view/journals/ijsnem/28/2/article-p170.xml
2. ncbi.nlm.nih.gov/pmc/articles/PMC5867436
3. pubmed.ncbi.nlm.nih.gov/26536130
4. pubmed.ncbi.nlm.nih.gov/29182451
5. pubmed.ncbi.nlm.nih.gov/27511985
6. ncbi.nlm.nih.gov/pmc/articles/PMC4675798
7. sciencedirect.com/science/article/pii/S1525861013003265
8. ncbi.nlm.nih.gov/pmc/articles/PMC3117172
9. sciencedirect.com/science/article/pii/S2095254621000077#bib0014
10. academic.oup.com/biomedgerontology/article/67/11/1170/604729
11. ncbi.nlm.nih.gov/pmc/articles/PMC2995836
12. pmc.ncbi.nlm.nih.gov/articles/PMC7785053
13. jamanetwork.com/journals/jama/fullarticle/1029127
14. pmc.ncbi.nlm.nih.gov/articles/PMC11246080
15. journals.lww.com/cjsportsmed/abstract/2020/09000/the_impact_of_sleep_duration_on_performance_among.12.aspx
16. pubmed.ncbi.nlm.nih.gov/4068965
17. pubmed.ncbi.nlm.nih.gov/22030953
18. linsladephysiotherapy.co.uk/physio4u/wp-content/uploads/2014/07/rpsm.2011.09.1933_secure.pdf
19. pubmed.ncbi.nlm.nih.gov/32297287
20. pmc.ncbi.nlm.nih.gov/articles/PMC11602875
21. sciencedirect.com/science/article/abs/pii/S0039128X16301052
22. pmc.ncbi.nlm.nih.gov/articles/PMC6119844
23. nih.gov/news-events/nih-research-matters/understanding-how-testosterone-affects-men
24. pubmed.ncbi.nlm.nih.gov/25982085
25. pubmed.ncbi.nlm.nih.gov/27543675
26. ncbi.nlm.nih.gov/pmc/articles/PMC3818569
27. pubmed.ncbi.nlm.nih.gov/8035587
28. journals.lww.com/nsca-jscr/fulltext/2010/10000/the_mechanisms_of_muscle_hypertrophy_and_their.40.aspx
29. researchgate.net/publication/260251459_High_protein_diets_do_not_attenuate_decrements_in_testosterone_and_IGF-I_during_energy_deficit
30. pubmed.ncbi.nlm.nih.gov/27262888
31. journals.humankinetics.com/view/journals/ijsnem/28/4/article-p316.xml#r12
32. pmc.ncbi.nlm.nih.gov/articles/PMC6942464
33. pubmed.ncbi.nlm.nih.gov/23679146
34. pmc.ncbi.nlm.nih.gov/articles/PMC6584965
Disclaimer: The content on this channel is for informational and entertainment purposes only. It is not intended to replace professional medical advice, diagnosis, or treatment. Always consult with a qualified healthcare provider before starting any new fitness program, diet, or supplement regimen. Results may vary. Use of this information is at your own risk.
#timelinepartner
Thanks to @timelinelongevity for sponsoring this video! Want to try the Mitopure Gummies for yourself? Get a FREE sample while supplies last here: bit.ly/43EaXy6
If you’re a man over 40, your muscles will literally disappear if you fail to take the steps I’m going to outline in this video.
In your 20s, you could hit the gym a few times a week, load up on pizza and burgers, and still pack on muscle.
Even if you took weeks off from the gym, you’d come back looking the same — strong, full, and ready to pick up right where you left off.
But after 40, things start to change.
Research shows we can still build just as much muscle as we did in our 20s… but it takes a lot more intention.
Because once your body starts working against you, doing the wrong things won’t just stall your progress — it can actually make you smaller and weaker, even if you’re consistent in the gym.
And that’s exactly what we’re covering today: five things every man over 40 must do to keep (and build) hard-earned muscle.
Skip these, and your muscles will slowly disappear over time.
In fact, number four is the biggest reason men over 40 are losing muscle year after year— and it has nothing to do with age.
[THE 2-2-2 METHOD] FREE MINIMALIST WORKOUT FOR MEN OVER 40
➜ projecthypertrophy.com/the-2-2-2-method
[MASS 40] FREE WORKOUT FOR MEN OVER 40
➜ projecthypertrophy.com/mass-40-workout-optin
[SHRED 40] FREE FAT LOSS PROGRAM FOR MEN OVER 40
➜ projecthypertrophy.com/shred-40-optin
[FULL BODY 40] FREE FULL BODY PROGRAM FOR MEN OVER 40
➜ projecthypertrophy.com/full-body-40
[COACHING] APPLY FOR OUR 1-ON-1 COACHING PROGRAM
➜ checkout.musclemonsters.com/sculpted-muscle-after-40-coaching
FOLLOW US ON INSTAGRAM:
➜ instagram.com/musclemonsters
References:
1. journals.humankinetics.com/view/journals/ijsnem/28/2/article-p170.xml
2. ncbi.nlm.nih.gov/pmc/articles/PMC5867436
3. pubmed.ncbi.nlm.nih.gov/26536130
4. pubmed.ncbi.nlm.nih.gov/29182451
5. pubmed.ncbi.nlm.nih.gov/27511985
6. ncbi.nlm.nih.gov/pmc/articles/PMC4675798
7. sciencedirect.com/science/article/pii/S1525861013003265
8. ncbi.nlm.nih.gov/pmc/articles/PMC3117172
9. sciencedirect.com/science/article/pii/S2095254621000077#bib0014
10. academic.oup.com/biomedgerontology/article/67/11/1170/604729
11. ncbi.nlm.nih.gov/pmc/articles/PMC2995836
12. pmc.ncbi.nlm.nih.gov/articles/PMC7785053
13. jamanetwork.com/journals/jama/fullarticle/1029127
14. pmc.ncbi.nlm.nih.gov/articles/PMC11246080
15. journals.lww.com/cjsportsmed/abstract/2020/09000/the_impact_of_sleep_duration_on_performance_among.12.aspx
16. pubmed.ncbi.nlm.nih.gov/4068965
17. pubmed.ncbi.nlm.nih.gov/22030953
18. linsladephysiotherapy.co.uk/physio4u/wp-content/uploads/2014/07/rpsm.2011.09.1933_secure.pdf
19. pubmed.ncbi.nlm.nih.gov/32297287
20. pmc.ncbi.nlm.nih.gov/articles/PMC11602875
21. sciencedirect.com/science/article/abs/pii/S0039128X16301052
22. pmc.ncbi.nlm.nih.gov/articles/PMC6119844
23. nih.gov/news-events/nih-research-matters/understanding-how-testosterone-affects-men
24. pubmed.ncbi.nlm.nih.gov/25982085
25. pubmed.ncbi.nlm.nih.gov/27543675
26. ncbi.nlm.nih.gov/pmc/articles/PMC3818569
27. pubmed.ncbi.nlm.nih.gov/8035587
28. journals.lww.com/nsca-jscr/fulltext/2010/10000/the_mechanisms_of_muscle_hypertrophy_and_their.40.aspx
29. researchgate.net/publication/260251459_High_protein_diets_do_not_attenuate_decrements_in_testosterone_and_IGF-I_during_energy_deficit
30. pubmed.ncbi.nlm.nih.gov/27262888
31. journals.humankinetics.com/view/journals/ijsnem/28/4/article-p316.xml#r12
32. pmc.ncbi.nlm.nih.gov/articles/PMC6942464
33. pubmed.ncbi.nlm.nih.gov/23679146
34. pmc.ncbi.nlm.nih.gov/articles/PMC6584965
Disclaimer: The content on this channel is for informational and entertainment purposes only. It is not intended to replace professional medical advice, diagnosis, or treatment. Always consult with a qualified healthcare provider before starting any new fitness program, diet, or supplement regimen. Results may vary. Use of this information is at your own risk.
#timelinepartner
