What Is Leptin?


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Dr. Berg talks about the hormone leptin. It is the satiety hormone, which gives your body the hormone message: stop eating! Your fat cells make it and the more fat you have, the more leptin you’re going to produce. You would think that because you have lots of leptin, you would not be hungry, right? Sorry, not quite. The excess leptin produced create leptin resistance. This creates dysfunctional leptin in the body and it doesn’t work.

The best thing to do is to lose weight following the rules of keeping insulin low, then you’ll have less fat, less leptin, and less leptin dysfunction.



Blood Sugars / Insulin

Dr. Eric Berg DC Bio:
Dr. Berg, 51 years of age is a chiropractor who specializes in weight loss through nutritional and natural methods. His private practice is located in Alexandria, Virginia. His clients include senior officials in the U.S. government and the Justice Department, ambassadors, medical doctors, high-level executives of prominent corporations, scientists, engineers, professors, and other clients from all walks of life. He is the author of The 7 Principles of Fat Burning, published by KB Publishing in January 2011. Dr. Berg trains chiropractors, physicians and allied healthcare practitioners in his methods, and to date he has trained over 2,500 healthcare professionals. He has been an active member of the Endocrinology Society, and has worked as a past part-time adjunct professor at Howard University.

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Disclaimer: Dr. Berg does not diagnose, treat or prevent any medical conditions; instead he helps people create their health to avoid health problems. He works with their physicians, which regular their medication.

This video is not designed to and does not provide medical advice, professional diagnosis, opinion, treatment or services to you or to any other individual. Through my videos, blog posts, website information, I give suggestions for you and your doctor to research and provide general information for educational purposes only. The information provided in this video or site, or through linkages to other sites, is not a substitute for medical or professional care, and you should not use the information in place of a visit, call consultation or the advice of your physician or other healthcare provider. The Health & Wellness and Dr. Eric Berg, D.C. are not liable or responsible for any advice, course of treatment, diagnosis or any other information, services or product you obtain through this video or site.


  1. Your whiteboards always remind me of school lessons. But I rarely can remember any teachers getting the subject across so well then you do. Great job as always!

  2. i have a question; the high level of leptin is the reason of testosterone transformation in estrogen? thank you! i think yes and testosterone injection is bad in this case;

  3. does thyroid meds get ruined in our stomach acid too?i am thyroid resistant,please help me so my t4 and t3 work as im freezing and so sick

  4. Exposure to water damaged buildings (mycotoxins, mold, CIRS) creates major issues with leptin leading to leptin resistance. This is a huge topic that gets swept under the rug, but 80% of buildings have water damage and is not properly addressed. 25% of the population have a defect in a particular hla gene that makes them more susceptible to chronic inflammatory issues and damage when exposed to mold/mycotoxins. If someone has chronic health issues that aren't resolving, it could be due to mold exposure (often hidden between walls)

  5. There was a study conducted on obese people (can't find the source) where they injected leptin into them and they lost weight. Anyone familiar with this study…..?

  6. I'd love to know your views on Stevia, Dr. Berg. I've been hearing buzz that Stevia actually triggers insulin and I'd like to know if that's true or not. Thanks for your work in medical education!

  7. Dr. Berg, I have a question that isn't necessarily related to this video as if pertains to Leptin. Bear with me here.
    Concerning potassium, my understanding is that the daily potassium need is around 4700 mg. Currently, I'm fasting but regardless, my potassium intake is about the same whether I'm eating or not as I tend towards a keto diet high in fat with the only difference being an obvious increase in salads or certain vegetables while not fasting.
    I tend to get most of my veggie intake from veggie pills since I simply don't eat that much even when I'm eating as I tend to intermittent fast usually consisting of a few days of 16 hours fast and the other days are a 24 (23) hour fast. My daily supplement intake as it pertains to potassium is as follows. Split up usually 3 times a day I take 3 potassium gluconate pills which equate to a total of 270 mg of actual potassium and 12 veggie pills which total 5400 mg. I'm not sure of the actual potassium intake with the veggie pills as it doesn't individually list the separate nutritional values. The pills are comprised of parsley, kale, spinach, wheat grass, brussels sprout, asparagus, broccoli, cauliflower, beet, carrot, cabbage & garlic. I suppose I could look up the individual values for each of these but haven't done so.
    I also have one daily serving of your what grass juice powder with water.
    Do you think I'm getting enough potassium with this current regimen? Sorry to be so long-winded.


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