4.8 • 1.3K Ratings
🗓️ 5 June 2025
⏱️ 68 minutes
🧾️ Download transcript
Do nasal strips actually help you breathe better? What about detox diets or organic food - are they worth it?
In this episode, Dr. Nick Tiller shares the evidence behind a variety of health and wellness trends and ideas, including:
Dr. Nick Tiller is a research associate at the Lundquist Institute, Harbor-UCLA Medical Center, an acclaimed writer, and author of The Skeptic's Guide to Sports Science which was named one of Book Authority's "Best Sports Science Books of All Time." He is an accomplished ultra runner, a regular contributor to Skeptical Inquirer and Ultra-Running Magazine, and serves as an associate editor for the International Journal of Sports Nutrition.
Be sure to check out Nick's website and follow him on Twitter.
Follow or subscribe to the show so you don't miss any future episodes!
After resisting most supplements for the better part of my life, I’m cautiously changing my tune. I’m now a Masters runner and in my personal life, I’m optimizing for longevity. I want to be my healthiest self for as long as possible and I’m excited to partner with Previnex to make that happen.
Previnex uses the most bioavailable, clinically tested ingredients, the optimal form and dose of each ingredient, pharmaceutical grade manufacturing, testing of raw ingredients and finished products. For every purchase you make, they also donate vitamins to kids in need.
Their new Muscle Health Plus is something I’m now taking. Turning 40 – and having a thin frame – has made me realize that I need to prioritize lean muscle mass to stay healthy and age well. Muscle Health Plus has creatine, essential and branched chain amino acids, and it’s designed in a way to maximize protein synthesis and the absorption of amino acids.
Muscle Health Plus will help you prevent muscle damage, which is particularly important for aging runners who want to protect themselves from muscle loss and recover faster after hard workouts. As is true for all of their products, Previnex adheres to the highest of standards: their ingredients are clinically proven to do what they say they’re going to do.
They’re now offering international shipping so if you live in the UK, Canada, Australia, or anywhere around the world, you can try Previnex as well.
Previnex offers a 30-day money back guarantee. If you don’t feel the benefits of their product, you get your money back no questions asked. With their focus on quality and customer satisfaction, I hope you’ll try it!
Use code jason15 for 15% off your first order at Previnex!
A big thanks to LMNT for their support of this episode! They make electrolyte drinks for athletes and low-carb folks with no sugar, artificial ingredients, or colors. They are offering a free gift with your purchase at LMNT. And this does NOT have to be your first purchase. You’ll get a sample pack with every flavor so you can try them all before deciding what you like best.
LMNT’s products have some of the highest sodium concentrations that you can find. Anybody who runs a lot knows that sodium, as well as other electrolytes like magnesium and potassium, are essential to our performance and how we feel throughout the day.
If you’re not familiar, LMNT is my favorite way to hydrate. They make electrolytes for athletes and low-carb folks with no Sugar, artificial ingredients, or colors. I’m now in the habit of giving away boxes of LMNT at group runs around Denver and Boulder and everyone loves this stuff.
Boost your performance and your recovery with LMNT. They’re the exclusive hydration partner to Team USA Weightlifting and quite a few professional baseball, hockey, and basketball teams are on regular subscriptions. So check out LMNT to get a free sampler pack and get your hydration optimized for the upcoming season.
Previnex’s new Gut & Green Superfoods powder is my new go-to. It has organic barley and oat grass, alfalfa, spirulina, chlorella, kale and broccoli… and that’s it. Their ingredients are backed by clinical data and contain three specific gut fibers that help promote GI health, digestion, reduced inflammation, and a better microbiome.
With twice of the fiber of my last greens mix and a better flavor, it’s a no brainer for me.
Try it for yourself here at previnex.com and be sure to use code “JASONGREENS” to save 15% off your first order. Don’t tell anyone, but if you put Gut & Green Superfoods powder in your cart, then the 15% off discount will work for anything else you add into your cart as well. Thanks Gut & Green!
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0:00.0 | Ready, set, go! |
0:04.4 | This is episode 408 with exercise scientist, award-winning author, ultramarathoner, and contributor to |
0:11.7 | Ultra Running Magazine, Dr. Nick Tiller. |
0:25.0 | Welcome to the Strength Running podcast. |
0:28.2 | We surround you with the same experts as pro-runners. |
0:38.6 | So keep listening to hear running coaches, physical therapists, strength experts, dietitians, sports psychologists, and other thought leaders give you the best guidance possible to take your running to the next level. I'm your host, coach Jason Fitzgerald. I'm a former |
0:43.6 | cross-country and track athlete for Connecticut College. I've been coaching runners since 2010, |
0:49.0 | and I used to write for Trail Runner Magazine and Runner's World. Today, I'm the head coach |
0:53.4 | of Strength Running, host of this |
0:55.2 | podcast, and I work with a small handful of startups in the running space. You can learn more |
1:00.2 | about me and Strength Running at Strengthrunning.com. All right, we are now getting into some hot weather |
1:06.1 | here in Denver, Colorado. It's 80 degrees right now. And no doubt there are going to be some heat |
1:12.6 | training content episodes coming up soon. Now, until then, don't miss my prior episode with |
1:19.2 | Brady Homer about Zone 3. That episode was published last June. I also did a really interesting |
1:25.9 | episode about Zone 3, which is your aerobic threshold with John Davis from last June. I also did a really interesting episode about Zone 3, which is your aerobic threshold |
1:29.7 | with John Davis from last August. If you haven't yet, too, make sure you either subscribe or |
1:35.7 | follow the show so you don't miss any of the upcoming heat training material. |
1:40.2 | And a big thank you to our brand partners who help me keep the lights on. Now, I only partner with companies that I use myself, that I trust, and that I think you're |
1:48.0 | actually going to benefit from. I hope you'll take advantage of their discounts to improve |
1:51.9 | your health and training. You should definitely hook yourself up with some free electrolytes |
1:57.3 | from our sponsor Element. They're offering a free gift with your purchase at DrinkLMNT.com |
2:04.6 | slash strength running. And this does not have to be your first purchase. You're going to get a |
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