The Dylan Gemelli Podcast – Episode #44

Featuring: The Magnesium Expert Dr. Barb Woegerer
Topic: Why Magnesium is ESSENTIAL to Health – Forms, Food Sources, Deficiency Risks, Cellular Health & More
Date: August 16, 2025
Host: Dylan Gemelli
Guest: Dr. Barb Woegerer, Naturopathic Doctor

Episode Overview

This episode dives deep into the importance of magnesium—a “forgotten” but crucial mineral—with guest Dr. Barb Woegerer, a leading expert and passionate educator. Dylan and Dr. Barb explore magnesium’s many physiological roles, why so many people are deficient, the signs to look for, best food and supplement sources, individualized dosing strategies, and actionable info on optimizing cellular health. The conversation has a practical, evidence-based focus, challenging medical dogmas and offering empowering, nuanced advice.

Key Discussion Points & Insights

1. Dr. Barb’s Background and Philosophy

• Naturopathic Approach: Dr. Barb describes her practice as “primary care with an evidence-based background, but doing things more from a holistic and natural approach” (05:38).
• Role of Prevention: “Prevention is a huge part of my job... our body doesn’t work in compartments, it works as a whole.” (07:25)
• Individualization: There’s no one-size-fits-all in health; different bodies have different needs for diet, sleep, exercise, and supplementation.

2. The Essential Role of Magnesium

• Definition of ‘Essential’: Magnesium must come from outside sources—“Your body can’t make it... it has to come in either through food, supplementation, or some form of transdermal way.” (20:40)
• Top Health Functions:
  • “Magnesium activates something called ATP, our energy currency... Without magnesium, ATP is inactive.” (21:08)
  • Regulates nerve signaling and muscle function
  • Balances electrolytes alongside sodium, potassium, chloride
  • Supports DNA/RNA synthesis—key for cell repair
  • Crucial for bone health (alongside vitamin D and calcium)

"Calcium seems to just have that spotlight of bone health. We actually should be thinking magnesium." – Dr. Barb (23:35)

3. Dietary Magnesium: Rich Sources and Challenges

• Best Food Sources:
  • Plant-based: leafy greens, avocados, dark chocolate, almonds, pumpkin and chia seeds, tofu (24:14)
  • Animal: small amount in salmon
• Modern Diet Limitations: Agricultural soil depletion means “our minerals are so much less in foods now.” (20:40)
• Practical Note: “If I had to guess, we’re probably not even getting close to the RDA value when it comes to magnesium-rich foods.” (25:19)

4. What Depletes Magnesium?

• Lifestyle and Medications:
  • Alcohol and caffeine (increase urinary loss)
  • Sweating (athletes, heat)
  • High-sugar diets (increases utilization)
  • Gut health issues (IBD, poor absorption)
  • Common medications: antibiotics, diuretics, proton pump inhibitors (PPIs), certain cancer drugs, birth control pills
    “One out of every three people are on some form of medication that is depleting magnesium.” (29:15)
• Other Factors: Blood sugar dysregulation, insulin resistance, physical and emotional stress

5. Why Dosing and Supplementation Must Be Individualized

• No Universal Dose: “I can’t say ‘you need to take X amount of magnesium’... It’s really important to understand the factors that actually deplete our magnesium, because there’s a lot of them.” (27:29)
• Minimums: RDA is 310-420 mg/day, but many need more depending on their unique context (lifestyle, meds, activity, health status).

6. Symptoms of Too Much or Too Little Magnesium

• Excess Magnesium: Dylan shares a personal story of over-supplementation (approx. 34:00-34:19):
  • Symptoms were diarrhea, anxiety, insomnia, and heart palpitations; resolved when he stopped the excessive dose.
  • “More is not always better... your body has to adapt as well.” (34:34)
• Deficiency Signs: Fatigue, muscle cramps/twitches, headaches, anxiety, poor sleep, constipation, numbness, brain fog, heart palpitations (37:42)
  • “Deficiency symptoms are really broad... it gets overlooked.” (34:34)

7. Magnesium, Cellular & Mitochondrial Health

• Key Science: Magnesium is required for ~800 enzymatic reactions, including making ATP via the Krebs cycle and glycolysis (39:50).
• Vitamin D Interplay: “If you’re taking vitamin D and don’t have enough magnesium, that reaction can’t happen... That vitamin D is not activated.” (40:25)

8. Forms of Magnesium: What’s Best for What?

Not all magnesium supplements are created equal!
(51:02-62:16)

Most Common Useful Forms:

• Magnesium Bisglycinate/Glycinate:
  • “Really general, all-around great form… calming, good for sleep, nervous system support, highly absorbable, doesn’t need stomach acid.”
• Magnesium Citrate:
  • Best for digestive support, constipation (watch out for laxative effect)
• Magnesium Malate:
  • For low energy, chronic fatigue, muscle pain (“Malic acid is in the Krebs cycle—energy!”)
• Magnesium Threonate:
  • Crosses blood-brain barrier, for cognition, memory, mood
  • “In one study, improved cognitive age by nine years in 12 weeks.” (53:02)
• Magnesium Orotate/Taurate:
  • Heart and mitochondrial function
• Chloride, Sulfate (Epsom salts):
  • Topical use for muscle relaxation (less common for oral use)

Buyer Beware:

• Complex/Multi-Form Supplements:
  • “You’re not getting therapeutic levels... a lot of them put magnesium oxide as a cheap filler, which is poorly absorbed. Only place for oxide is as a laxative.” (57:26)
  • “Stick to a single form that matches your goal... more benefit, better outcomes.” (57:26)
• Red Flags:
  • If a capsule lists more than 200mg of magnesium, it’s likely mostly oxide or poorly absorbed forms.

Blanket Recommendation:

“Bisglycinate or glycinate... is a great all-around form that you can kind of apply if some of the other forms aren’t there or you just want to take magnesium.” (62:16)

9. How to Test Magnesium Status

• Serum Magnesium: “Not reliable—only 1% of body magnesium is in the blood.” (66:52)
• Red Blood Cell (RBC) Magnesium: “A bit more accurate, but you want to be at the very top range.”
• Tissue biopsy: Most accurate but invasive; rarely done.
• Clinical Reality: Rely on symptoms, life stage, known depleting factors (age, stress, illness, activity).

“It’s hard to test magnesium status... We really just need to kind of work out what that patient is trying to achieve.” (69:22)

10. Medical System Critique & Closing Thoughts

• Conventional Medicine: Excellent for acute care, lacks in prevention and whole-person focus. Time constraints limit root-cause investigation (10:45).
• Hopeful Shift: Newer-generation physicians are “starting to see there is another option out there” and referring to naturopathic care (45:19).
• Evidence-Based and Open-Minded: Dr. Barb isn’t “anti-drug,” but advocates for both medical worlds collaborating (46:51).

11. Actionable Tips & Final Wisdom

• Start low and slow. Dosing and form should match your needs. Overdoing magnesium can worsen symptoms in sensitive people (esp. anxiety).
• Get as much as you can from food: “Diet is always added onto supplementation. I just look at it as a bonus.” (69:22)
• Think prevention: “If we know more about it, then we can do more with it.” (70:50)
• “It isn’t a magic pill. It’s a foundational nutrient that helps your body run as it was designed to run. If you give your body that attention... you’re going to be supporting hundreds of systems all at once.” (71:14)

Memorable Quotes & Notable Moments

• On Medical Compartmentalization:

  “When you go to a physician, they often treat you in compartments—and this is a problem because our body doesn’t work in compartments.” – Dr. Barb (07:25)

• On Over-Supplementation:

  “More is not always better... your body has to adapt as well. As soon as we start talking about magnesium, people go out and just take loads of it.” – Dr. Barb (34:34)

• On Food vs. Supplements:

  “Even if somebody wasn’t supplementing... they’re likely not even getting the RDA amount of this mineral.” – Dr. Barb (20:40)

• On Magnesium’s Centrality:

  “Magnesium is responsible for 800 enzymatic reactions... We wouldn’t function without it.” – Dr. Barb (39:50)

Key Timestamps

• 03:33 – Dr. Barb introduced, her passion for magnesium
• 05:38 – What is a naturopathic doctor? Dr. Barb’s approach
• 09:30 – Individualization in health, the “no one-size-fits-all” myth
• 17:35 – Why is Dr. Barb so passionate about magnesium?
• 20:40 – What does ‘essential mineral’ mean; why magnesium matters
• 24:14 – Top dietary sources of magnesium
• 25:59 – Loss of magnesium via sweat, meds, and more
• 27:29 – Medications and lifestyle that deplete magnesium
• 34:19 – Dylan’s story of magnesium overdose and cardiac symptoms
• 37:42 – Deficiency symptoms and why they’re overlooked
• 39:50 – Cell and mitochondrial health: magnesium’s central role
• 51:02 – Full breakdown of magnesium supplement forms
• 62:16 – Is any one form essential? Why glycinate is great
• 66:52 – How to (and not to) test magnesium status
• 70:12 – Final advice on magnesium’s foundational impact
• 72:25 – Where to find Dr. Barb, her book “Mastering Magnesium”

Resources & Further Learning

• Dr. Barb Woegerer on Instagram: @dr.barbwoegerer
• Books:
  • Mastering Magnesium (recipes, forms, dosages, absorption)
  • Magnesium: The Missing Mineral (with Dr. James DiNicolantonio; condition-specific guidance)

Summary Flow & Takeaways

This episode provides a masterclass on magnesium, blending practical, clinical insights with science and real-life stories. Dylan and Dr. Barb urge listeners to appreciate magnesium’s overlooked, fundamental role in everything from energy to mood, from bone health to blood sugar, and to approach supplementation and testing with individualization and evidence—never hype or one-size-fits-all answers. If you want to elevate your health, understanding (and optimizing) your magnesium status is a must.

For anyone who has never heard this episode, this summary offers a rich, topic-by-topic breakdown of the most important education and actionable tips given—complete with context, caveats, and quick-reference timestamp links for easy listening and review.