Uploaded April 2026 | Updated September 2026, 2 weeks ago
Subscribe to our channel: youtube.com/@matt.kaeberlein
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Dr. Matt Kaeberlein and Clinical Director Dr. Nicki Byrne tackle your most pressing supplement questions in this AMA episode, cutting through the hype to give you science-backed answers you can actually use. From CoQ10 and statins to sulforaphane influencer hype, creatine and kidney disease, and why a popular longevity doctor may be losing Matt's trust, this episode covers a lot of ground. If you've ever wondered which supplements are worth your money and which ones belong in the trash, this one's for you.
This video was produced by One Billion Media, an agency that specializes in YouTube virality for health brands and experts. Learn more about their work here:
onebillionmedia.com
Timestamps:
00:00 — Cold open highlights
01:18 — Episode intro: AMA focused on supplements
01:57 — CoQ10: Does it help with statin-induced muscle pain?
04:43 — Is there any reason to take CoQ10 on its own?
05:23 — Taurine: Promising or overhyped?
07:35 — Astaxanthin: What the evidence actually shows
09:45 — Why supplement research is structurally flawed
11:05 — Creatine for plant-based dieters
12:22 — Creatine and kidney disease: What the data says
15:48 — Matt, Nicki & Nick's current creatine doses
17:00 — Vitamin D: Reference ranges vs. optimal ranges
18:57 — Vitamin K2: Bone density, vascular calcification & dosing caution
21:55 — Sulforaphane: Great biology, limited evidence, too much hype
27:21 — Resveratrol, hormesis & plant defense chemicals
27:58 — Fish oil & the omega index: Why Matt supplements even though he eats fish
29:23 — Mark Hyman, sirtuins & the problem with longevity influencers
32:08 — Lithium & SGLT2 inhibitors: Matt adjusts his dose live
34:15 — Is lithium orotate safe? Addressing the liver carcinogen concern
36:26 — Is there an OTC alternative to rapamycin?
37:40 — Berberine vs. metformin: More similar than you think
38:58 — What do Matt, Nicki & Nick actually take?
41:48 — Wrap-up & teaser: Deep dive on magnesium coming soon
DISCLAIMER: The information provided on the Optispan podcast is intended solely for general educational purposes and is not meant to be, nor should it be construed as, personalized medical advice. No doctor-patient relationship is established by your use of this channel. The information and materials presented are for informational purposes only and are not a substitute for professional medical advice, diagnosis, or treatment. We strongly advise that you consult with a licensed healthcare professional for all matters concerning your health, especially before undertaking any changes based on content provided by this channel. The hosts and guests on this channel are not liable for any direct, indirect, or other damages or adverse effects that may arise from the application of the information discussed. Medical knowledge is constantly evolving; therefore, the information provided should be verified against current medical standards and practices.
More places to find us:
Twitter: https://x.com/Optispan_Inc
Twitter: twitter.com/mkaeberlein
Linkedin: linkedin.com/company/optispan
Instagram: instagram.com/optispan_
TikTok: tiktok.com/@optispan
https://www.optispan.life/
Hi, I'm Matt Kaeberlein. I spent the first few decades of my career doing scientific research into the biology of aging, trying to understand the finer details of how humans age in order to facilitate translational interventions that promote healthspan and improve quality of life. Now I want to take some of that knowledge out of the lab and into the hands of people who can really use it.
On this podcast I talk about all things aging and healthspan, from supplements and nutrition to the latest discoveries in longevity research. My goal is to lift the veil on the geroscience and longevity world and help you apply what we know to your own personal health trajectory. I care about quality science and will always be honest about what I don't know. I hope you'll find these episodes helpful!
Subscribe to our channel: youtube.com/@matt.kaeberlein
Get Our Newsletter (It's Free): https://www.optispan.life/
Dr. Matt Kaeberlein and Clinical Director Dr. Nicki Byrne tackle your most pressing supplement questions in this AMA episode, cutting through the hype to give you science-backed answers you can actually use. From CoQ10 and statins to sulforaphane influencer hype, creatine and kidney disease, and why a popular longevity doctor may be losing Matt's trust, this episode covers a lot of ground. If you've ever wondered which supplements are worth your money and which ones belong in the trash, this one's for you.
This video was produced by One Billion Media, an agency that specializes in YouTube virality for health brands and experts. Learn more about their work here:
onebillionmedia.com
Timestamps:
00:00 — Cold open highlights
01:18 — Episode intro: AMA focused on supplements
01:57 — CoQ10: Does it help with statin-induced muscle pain?
04:43 — Is there any reason to take CoQ10 on its own?
05:23 — Taurine: Promising or overhyped?
07:35 — Astaxanthin: What the evidence actually shows
09:45 — Why supplement research is structurally flawed
11:05 — Creatine for plant-based dieters
12:22 — Creatine and kidney disease: What the data says
15:48 — Matt, Nicki & Nick's current creatine doses
17:00 — Vitamin D: Reference ranges vs. optimal ranges
18:57 — Vitamin K2: Bone density, vascular calcification & dosing caution
21:55 — Sulforaphane: Great biology, limited evidence, too much hype
27:21 — Resveratrol, hormesis & plant defense chemicals
27:58 — Fish oil & the omega index: Why Matt supplements even though he eats fish
29:23 — Mark Hyman, sirtuins & the problem with longevity influencers
32:08 — Lithium & SGLT2 inhibitors: Matt adjusts his dose live
34:15 — Is lithium orotate safe? Addressing the liver carcinogen concern
36:26 — Is there an OTC alternative to rapamycin?
37:40 — Berberine vs. metformin: More similar than you think
38:58 — What do Matt, Nicki & Nick actually take?
41:48 — Wrap-up & teaser: Deep dive on magnesium coming soon
DISCLAIMER: The information provided on the Optispan podcast is intended solely for general educational purposes and is not meant to be, nor should it be construed as, personalized medical advice. No doctor-patient relationship is established by your use of this channel. The information and materials presented are for informational purposes only and are not a substitute for professional medical advice, diagnosis, or treatment. We strongly advise that you consult with a licensed healthcare professional for all matters concerning your health, especially before undertaking any changes based on content provided by this channel. The hosts and guests on this channel are not liable for any direct, indirect, or other damages or adverse effects that may arise from the application of the information discussed. Medical knowledge is constantly evolving; therefore, the information provided should be verified against current medical standards and practices.
More places to find us:
Twitter: https://x.com/Optispan_Inc
Twitter: twitter.com/mkaeberlein
Linkedin: linkedin.com/company/optispan
Instagram: instagram.com/optispan_
TikTok: tiktok.com/@optispan
https://www.optispan.life/
Hi, I'm Matt Kaeberlein. I spent the first few decades of my career doing scientific research into the biology of aging, trying to understand the finer details of how humans age in order to facilitate translational interventions that promote healthspan and improve quality of life. Now I want to take some of that knowledge out of the lab and into the hands of people who can really use it.
On this podcast I talk about all things aging and healthspan, from supplements and nutrition to the latest discoveries in longevity research. My goal is to lift the veil on the geroscience and longevity world and help you apply what we know to your own personal health trajectory. I care about quality science and will always be honest about what I don't know. I hope you'll find these episodes helpful!
