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Bio Complete 3 †

If you’re not 100% satisfied with your product for any reason, you're covered by our 100% money-back guarantee (does not cover shipping and handling) for 90 days. For refunds, contact our customer support team at (800) 852-0477 and we'll refund your purchase price, no questions, no hassle.

  • Availability: In Stock
  • Over 2 Million Bottles Sold
  • 4.8 Rating

Bio Complete 3 †

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If you’re not 100% satisfied with your product for any reason, you're covered by our 100% money-back guarantee (does not cover shipping and handling) for 90 days. For refunds, contact our customer support team at (800) 852-0477 and we'll refund your purchase price, no questions, no hassle.

Bio Complete 3 can help you enjoy:

  • A slimmer waistline*†
  • Smoother digestion*†
  • Easier, more regular bathroom visits*†
  • Reduced cravings for unhealthy “junk foods”*†
  • And even more energy*†

* Every individual is unique. As such, your results may vary.


Bio Complete 3†

About 70% of your immune system resides in your gut.1 So taking care of your gut is absolutely key for your overall health. Bio Complete 3 helps support a healthy gut lining with prebiotics, probiotics, and post-biotics… so you can keep the good stuff in your gut where it belongs, and support a healthy immune system.*

With Bio Complete 3 by your side, you can look forward to noticeable results like:

  • Excess weight — especially deep fat — finally becoming easier to lose*
  • Fatigue being replaced by an ABUNDANCE of youthful energy*
  • Digestive issues improving dramatically, or vanishing altogether*
  • Cravings for unhealthy foods feeling like a distant memory*
  • Manufactured in USA / 90-Day Money Back Guarantee / GMP Certified Facility

*Every individual is unique. As such, your results may vary.

What’s in Bio Complete 3?

Supplement Facts

Serving Size 4 Capsules

Servings Per Container 30

Amount Per Serving %DV
Calories 10
Total Fat 1 g 1%†

Saturated Fat

1 g 5%†
CoreBiome® (Standardized to 30% Tributyrin) 1000 mg **
SunFiber® 200 mg **
Bacillus Coagulans (ProDura®) 16 mg **

† Percent Daily Values are based on a 2,000 calorie diet.

** Daily Value (DV) Not Established

Real Bio Complete 3 Customer Reviews

Actual customers who were compensated for their review. Every individual is different. Result can and will vary.

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Dr. Gundry, MD

Dr. Steven Gundry, MD is one of the world’s most celebrated pediatric heart surgeons, and the author of the best-selling book “The Plant Paradox.” He is the director of the International Heart & Lung Institute in Palm Springs, CA, and the founder / director of the Center for Restorative Medicine in Palm Springs and Santa Barbara.


What Are The Main Ingredients In Gundry MD Bio Complete 3?

The main ingredients in Bio Complete 3 are:
  • Tributyrin (as CoreBiome™)
  • Sunfiber®
  • Bacillus Coagulans (ProDURA®)

Other ingredients:

  • Microcrystalline Cellulose
  • Hydroxypropyl Methylcellulose
  • Silica
  • Magnesium Stearate
Is Gundry MD Bio Complete 3 Quality Checked?

Gundry MD Bio Complete 3 contains only pure and natural ingredients. The formula is tested for quality and purity at an independent, 3rd-party facility. However, as a physician, I recommend consulting with your own health care provider before beginning any new program.

How do I use Bio Complete 3?†*

Simply take two small capsules twice per day, preferably before a meal. Bio Complete 3 has been formulated to be ultra-fast absorbing — so it can go right to work in your gut — resulting in a boost in energy and health you can truly feel.

It’s important to take your Bio Complete 3 every day on a consistent basis. I take mine every morning before breakfast and again before dinner. This way, my gut is protected 24/7.

How does Gundry MD Bio Complete 3 work?†*

Bio Complete 3 works to support easier digestion, better weight management, more energy, less unhealthy cravings, and improved muscle strength by using what I call the “3-Pronged Defense” to gut health:

  1. Boost your probiotic levels, so you have an abundance of good gut bacteria
  2. Boost your prebiotic levels, so your good gut bacteria have the proper fuel to thrive
  3. Boost butyrate (a.k.a. postbiotic) levels, so you can achieve an “ironclad” gut lining (and help combat issues of “leaky gut,” like low energy and cravings for unhealthy food)

*Every individual is unique. As such, your results may vary.


Most users report feeling noticeably smoother digestion, less cravings, along with an increase in energy, vitality, and muscle strength in their first week of use. However, the most dramatic results were reported after consistent use over the course of 4 weeks and beyond. Please use as directed.


Gundry MD products, including Bio Complete 3, are not sold in retail stores and are not available anywhere else.

*Every individual is unique. As such, your results may vary.

Share your thoughts!

4.8 out of 5 stars

527 reviews

Let us know what you think...

What others are saying

  1. Peter

    5 out of 5


    I felt better within a few days. My appetite changed. I am not as hungry as before taking this, yes I have lost unwanted weight. I feel the protein I use is being absorbed better. Great product.

  2. Niccie

    5 out of 5


    I absolutely love this product. I can’t believe how well it works – and only after 2 days of using it!

  3. Caryn

    5 out of 5 Definitely see desired results and significant reduction in chocolate cravings


    I have always craved chocolate all the time. After the first day with this supplement I no longer crave chocolate! I still enjoy it as a treat, but I don’t crave it like before. I have much less bloating and am more regular after the first day as well. I’ve taken it less than a week so far, but I can already tell a significant difference. I haven’t noticed yet any impact on energy levels, I’m looking forward to hopefully having more benefits after a longer time taking this.

  4. Sally Shamphan

    4 out of 5 Bio 3

    Sally Shamphan

    So far I’ve seen improvement and not yet through my first bottle.

  5. Lara

    4 out of 5 Bio complete


    Have been feeling like I have more energy and better bowel movements – taking 2 per day

  6. Peggy Sanchez

    5 out of 5 A Definite Difference

    Peggy Sanchez

    It took about a week but suddenly it kicked in and so did my energy and my bloating has disappeared. Nice to have regular bowel movements again and feel normal. Definitely would recommend to try this product.

  7. Andrea

    4 out of 5


    Am only halfway through my first bottle and can honestly say that have seen great improvement in my movements and bloating. Looking forward to my next bottle of bio complete 3

  8. Lydia Boswick

    4 out of 5 Also cautiously optimistic

    Lydia Boswick

    Thus far less bloating, more energy and clarity.

  9. Darlene J Keller

    4 out of 5 Very good but cautious

    Darlene J Keller

    I have always had problems with regular bowel movements When I first started the product about three weeks ago I became very regular Now that has seemed to stop and I am back to problems Nothing else in my lifestyle has changed

  10. Andrew Mcallister

    4 out of 5

    Andrew Mcallister

    I’ve been taking Bio Complete 3 now for about 2 weeks, 3 tablets in the morning and one later in the day. I feel more healthy in my gut and I feel my energy levels are also better. Mentally I feel clearer also. So far I’m very happy with my Bio 3