Gary Brecka vs Mary Claire Haver, MD
What they share, where they diverge, and how the evidence compares — documented, not endorsed.
GB
Gary Brecka
8 compounds · longevity
MC
Mary Claire Haver, MD
13 compounds · womens-health
Gary Brecka
1 Strong5 Moderate1 Emerging1 Gated
😌 Mood & stress🩺 General health🧬 Longevity & healthspan
Mary Claire Haver, MD
5 Strong6 Moderate1 Emerging1 Gated
🧬 Longevity & healthspan😌 Mood & stress💪 Performance & recovery🧠 Cognition
Shared — both take (3)
3 of 18 distinct compounds overlap (17%).
- ☀️ Vitamin D3Moderate 7.5
- 🧠 Magnesium L-ThreonateEmerging 4.8
- 🐟 Omega-3Strong 9.0
Only Gary Brecka (5)
- 🧬 MethylfolateModerate 6.0
- 🔴 Vitamin B12Moderate 7.5
- 💪 TMGModerate 5.8
- ⚡ B-ComplexModerate 6.5
- 🔵 Methylene Bluegated
Only Mary Claire Haver, MD (10)
- 🦴 Vitamin K2Moderate 6.0
- ⚡ CreatineStrong 9.5
- 🌾 Psyllium HuskStrong 8.5
- ✨ CollagenModerate 6.0
- 🦠 ProbioticsStrong 9.0
- 🌙 Progesteronegated
- 🦴 CalciumStrong 8.0
- 🌿 CurcuminModerate 7.5
- 🌿 BerberineModerate 7.5
- 🌻 Vitamin EModerate 5.0