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Marc Bubbs

@DrBubbs

I help athletes, coaches & executives maximize performance & longevity. @canadabasketball @underarmour fmr @ATLhawks @penguins 📕Author 🎙Podcast 🗣️Speaker

 Toronto // London UK
linktr.ee/MBubbs
Joined September 2010
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Photo by Marc Bubbs (@DrBubbs)Photo by Marc Bubbs (@DrBubbs)Photo by Marc Bubbs (@DrBubbs)Photo by Marc Bubbs (@DrBubbs)Photo by Marc Bubbs (@DrBubbs)Photo by Marc Bubbs (@DrBubbs)Photo by Marc Bubbs (@DrBubbs)Photo by Marc Bubbs (@DrBubbs)Photo by Marc Bubbs (@DrBubbs)Photo by Marc Bubbs (@DrBubbs)
Excited to partner w @UnderArmour and the amazing UA Rewards program! The more you sweat, the more you save! Join free 👇 underarmour.com/en-us/t/rewa…
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Back to Hayward Field this weekend for the 2026 @preclassic ProBio follows @cole_hocker for an upcoming series that focuses on the work, nutrition, and mindset that goes into championship-level performance. Always Forward. 👉 instagram.com/p/DaL3kG1y9VY/
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Sneak peak 👀 @georgiahunterbell with a speedy 4:18:52 personal best in the mile at the Pre Classic 😮‍💨🏃🏼‍♀️💨 #pre #endurance #personalbest #probio instagram.com/p/DabTFScyinG/
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Are You Getting Enough Iron? 🤔 Iron is a mineral naturally present in many foods. Iron is an essential component of hemoglobin, a red blood cell (RBC) protein that transfers oxygen from the lungs to the tissues.🩸 🧵
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4/ HOW IRON IS TESTED? 🔬 Hemoglobin and hematocrit are most commonly used biomarkers to screen patients for iron deficiency (Neither sensitive nor specific). Serum ferritin concentration, which is a measure of the body’s iron stores (but affected by inflammation status)
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5/ TO SUM UP Iron is essential for health and performance. Health care providers will use multiple biomarkers to diagnose iron deficiency. They also consider a patient’s dietary/supplemental iron intakes.👊 PMID: 20200263 PMID: 37895389 Nat. Acad Dietary Ref Intakes
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Are your brain and stomach at war?! 🤷‍♂️ Constant hunger is a massive hurdle to successful weight loss.😖 GLP-1 meds work by mimicking the GLP-1 hormone to slow gastric emptying and reduce appetite. Dr. Christle Guevarra, MD, shares her insights 👇
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Your gut is a performance tool. Most runners ignore it. @DrBubbs breaks down exactly how to train it, fuel it, and stop dreading race morning. >effectively diagnosing regular GI issues >the effects of running on your gut >combatting GI issues as a runner - esp. on race day >balancing hi-carb / GI issues Full ep with @Brady_H 👇 youtu.be/Th_wjrRQPFk
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Ramadan & Athletes Muslim athletes will fast from sunrise to sunset each day throughout the 30 days of Ramadan. What should athletes/practitioners be thinking about? 5 Key Areas... 🧵
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/// #4 Low(er) Carb Intake
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/// #5 Insufficient Energy (kcal) Intake
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Best angle I’ve seen so far. A catch. Clear as day. I will never get over this (at least until they finally win one). Unbelievable.
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Winter blues and SAD. Strategies to limit severity & duration: 1) Set Your Circadian Rhythm (Wake Up On Time) 2) Eat Breakfast Every Day 3) Get Outside (In The Morning) 4) Don’t Over-Consume Caffeine 5) Add Extra Vitamin D (Get Tested) Read more... drbubbs.com/blog/11-tips-to-…
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Cannabis & Fertility: How does regular use impact fertility in men and women? A clip from fascinating chat with expert dietitian Rachel Swanson, RD, MS, on all things fertility. instagram.com/p/DTdNO3yin-f/
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Should you train when sick? It depends. Are symptoms 'above' or 'below' the neck? 👇👇👇 instagram.com/p/DRhoO8dipg7/
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When you put a non-expert in charge of life-death decisions… 👇
Timothy Caulfield (@CaulfieldTim) profile pictureTimothy Caulfield
@CaulfieldTim23 Nov 2025
Whooping cough surges nationwide as vaccinations fall medicalxpress.com/news/2025-… "...latest rise in pertussis cases is being driven by falling vaccination rates..." "...babies remain the most vulnerable."
Whooping cough surges nationwide as vaccinations fall

Whooping cough surges nationwide as vaccinations fall

Whooping cough is making a major comeback in the United States, with sharp increases now seen in Texas, Florida, California, Oregon and many other places.

medicalxpress.com
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