Apple Cider Vinegar
Episodes covering apple cider vinegar — protocols, research, and expert discussions.
Fermented apple vinegar for blood sugar control, modest weight loss support, and digestive benefits
Apple cider vinegar has more clinical evidence than most folk remedies. Multiple meta-analyses confirm it can meaningfully reduce fasting blood sugar (by ~22 mg/dL) and HbA1c in diabetics. The weight loss evidence is more modest but present - about 2-4 lbs over 12 weeks in some studies.
The mechanism is thought to involve acetic acid slowing gastric emptying and improving insulin sensitivity. It's cheap, safe for most people, and easy to incorporate.
The reality check: ACV is not a magic weight loss solution or diabetes cure. Effects are modest and supplement - not replace - diet and exercise. But as an adjunct intervention, the evidence is surprisingly solid.
Worth trying if you have blood sugar concerns or want modest metabolic support. Take 1-2 tbsp diluted before meals. It's cheap and low-risk. Just don't expect miracles.
Science & Mechanisms
What is Apple Cider Vinegar?
ACV is made by fermenting apple juice: 1. Yeast converts sugars to alcohol 2. Bacteria convert alcohol to acetic acid 3. "Mother" contains probiotic bacteria and enzymes
The active component is primarily acetic acid (5-6% in most ACV).
Mechanisms:
1. Blood Sugar Control:
- Acetic acid slows gastric emptying
- Reduces carbohydrate absorption rate
- May improve insulin sensitivity
- Reduces post-meal glucose spikes
2. Weight/Metabolism:
- Increased satiety (feeling full)
- Modest effect on fat metabolism
- May reduce lipogenesis
- Not a significant calorie burner
3. Digestive Effects:
- Increases stomach acidity (may help some)
- Antimicrobial properties
- "Mother" contains probiotics
Meta-Analysis Evidence:
Blood Sugar (2025 meta-analysis, 7 RCTs):
- Fasting blood sugar: -22 mg/dL (significant)
- HbA1c: -1.53% (significant)
- Each 1mL/day → -1.26 mg/dL FBS reduction
- Effects primarily in diabetics
Weight (2025 meta-analysis, 10 RCTs, 789 participants):
- 8 of 10 studies showed significant reduction
- Modest effect: 2-4 lbs over 8-12 weeks
- Not a substitute for diet/exercise
Episodes
Hosts Justin and Sydney McElroy discuss the Netflix series "Apple Cider Vinegar," a dramatized true story about wellness influencer Belle Gibson, who faked a cancer diagnosis an...
Dr. Norman Swan and co-host Tegan Taylor tackle listener questions about the health benefits of apple cider vinegar. Norman provides a deep history of vinegar spanning 10,000 ye...
Aubrey Gordon and Michael Hobbes dive deep into the history of Bragg Live Foods, the company that popularized apple cider vinegar as a health tonic. They trace the story of foun...
Dr. Steven Gundry explains the science behind apple cider vinegar and other vinegars as sources of short-chain fatty acids, particularly acetic acid. He describes how acetic aci...
Anthony William, the self-styled Medical Medium, presents a strongly negative view of apple cider vinegar, arguing that while it is the best vinegar available, daily consumption...
Elizabeth Benton of Primal Potential gives a balanced, practical overview of apple cider vinegar for fat loss. She positions ACV as slightly above "fairy dust" but nowhere near ...
JJ Virgin, Triple Board Certified Nutrition and Fitness Expert, delivers a solo episode dedicated to the health benefits of apple cider vinegar. She covers six main benefit area...