
#229 From Caffeine to Vitamins: Which Supplements are Best for Runners?
02/12/25 • 63 min
Supplements areeverywhere these days, from ads to influencers, to athletes. Andrea is joined by returning guestJenn Giles (MS, RDN, CSSD) to sort through the myriad of supplements available to runners. Jenn gives us valuable insight on how to find safe and true-to-the-label supplements, which is harder than it may seem. They take a look at the performance benefits (and risks) of things like caffeine, protein powder, and vitamin D, and explore newly popular possible performance enhancers like ketones and sodium bicarbonate.
Jenn has 24 years of experience working with athletes in all sports and of all ages. She thrives on helping athletes achieve their goals! She sits on the USOC (United States Olympic Committee) dietitian registry and works with Olympic hopefuls, NCAA Student-Athletes, Prep School Athletes, Adult Athletes and Youth Athletes. She also writes for publications, speaks to teams, and consults with schools and recreation facilities. She is an author, and a freelance writer and also a faculty member of MySportsRD.com. She is also an adjunct Professor of Sports Nutrition at Columbia University -her Alma Mater.
Get your DOR Merch: https://doctors-of-running.myspreadshop.com/
Check out our friends at Skratch and save 25% on your first order with code DOR24!
Chapters
- 0:00 - Intro
- 2:08 - How to pick better & safer supplements
- 6:44 - Caffeine
- 15:06 - Creatine
- 20:04 - Probiotics
- 28:20 - Protein powder
- 33:00 - Vitamin D
- 36:56 - Vitamin K
- 38:50 - Magnesium
- 43:04 - Electrolytes
- 46:36 - NAC
- 49:36 - Beta-alanine
- 51:24 - Sodium Bicarbonate
- 56:14 - Ketones
- 1:00:50 - Wrap-up
Supplements areeverywhere these days, from ads to influencers, to athletes. Andrea is joined by returning guestJenn Giles (MS, RDN, CSSD) to sort through the myriad of supplements available to runners. Jenn gives us valuable insight on how to find safe and true-to-the-label supplements, which is harder than it may seem. They take a look at the performance benefits (and risks) of things like caffeine, protein powder, and vitamin D, and explore newly popular possible performance enhancers like ketones and sodium bicarbonate.
Jenn has 24 years of experience working with athletes in all sports and of all ages. She thrives on helping athletes achieve their goals! She sits on the USOC (United States Olympic Committee) dietitian registry and works with Olympic hopefuls, NCAA Student-Athletes, Prep School Athletes, Adult Athletes and Youth Athletes. She also writes for publications, speaks to teams, and consults with schools and recreation facilities. She is an author, and a freelance writer and also a faculty member of MySportsRD.com. She is also an adjunct Professor of Sports Nutrition at Columbia University -her Alma Mater.
Get your DOR Merch: https://doctors-of-running.myspreadshop.com/
Check out our friends at Skratch and save 25% on your first order with code DOR24!
Chapters
- 0:00 - Intro
- 2:08 - How to pick better & safer supplements
- 6:44 - Caffeine
- 15:06 - Creatine
- 20:04 - Probiotics
- 28:20 - Protein powder
- 33:00 - Vitamin D
- 36:56 - Vitamin K
- 38:50 - Magnesium
- 43:04 - Electrolytes
- 46:36 - NAC
- 49:36 - Beta-alanine
- 51:24 - Sodium Bicarbonate
- 56:14 - Ketones
- 1:00:50 - Wrap-up
Previous Episode

#228 Mailbag! Best Shoes for Shin Splints? The Role of Flexibility in Shoes? Best Ultramarathon Shoes?
We're back with a new mailbag episode! The team answers your running and running shoe questions. In this edition, the team discusses shin splints and the best shoes that we'd look for in dealing with them. They also break down their favorite walking shoes and discuss some of our favorite options for ultramarathons. Got a question for our next mailbag? Send it over to [email protected]!
Get your DOR Merch: https://doctors-of-running.myspreadshop.com/
Check out our friends at Skratch and save 25% on your first order with code DOR24!
Chapters
0:00 - Intro
7:32 - What shoes are best for recovering from shin splints?
14:10 - How heel bevel can impact shin pain
21:30 - Ideal walking shoes
27:06 - What shoe characteristics can contribute to arch pain?
34:38 - Best road ultramarathon shoes
41:00 - What role does flexibility play in stability shoes?
46:52 - Best shoes for hallux limitus
53:28 - Wrap-up
Next Episode

#230 This or That? Comparing the Best Max Cushion and Super Shoes Available Now
We've got another episode of "This or That" for you! Matt, David, and Nathan get together for a ton of shoe hot takes. They pick their favorites of some of the latest max cushion offerings like the Hoka Mach X 2, Nike Pegasus Premium, and more. While we usually say "it depends", tune in to get our black-and-white shoe takes!
Get your DOR Merch: https://doctors-of-running.myspreadshop.com/
Check out our friends at Skratch and save 25% on your first order with code DOR24!
Chapters
- 0:00 - Intro
- 5:08 - Saucony Ride 18 vs. New Balance 880v15
- 13:00 - Brooks Hyperion Max 2 vs. Hoka Mach X 2
- 16:56 - Nike Pegasus vs. Pegasus Premium
- 23:40 - Pegasus Premium vs. ASICS Nimbus 27
- 26:56 - Pegasus Premium vs. ASICS Superblast 2
- 28:22 - Mizuno Neo Vista vs. New Balance SC Trainer 3
- 33:44 - Nike Alphafly 3 vs Adidas Adios Pro 4
- 41:41 - ASICS Superblast 2 vs. Novablast 5
- 46:35 - Mizuno Neo Zen vs. 361 Eleos
- 53:20 - Saucony Endorphin Speed 4 vs. Nike Zoom Fly 6
- 57:50 - Wrap-up
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