Inflammatory Bowel Disease (IBD): Essential Supplements For Healing The Gut

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Living with Inflammatory Bowel Disease (IBD) can really affect your day-to-day life, bringing challenges like abdominal pain, diarrhea, and fatigue. While medications are a go-to for managing these symptoms, many people also look into additional ways to support their digestive health.

Nutritional supplements are proving to be a helpful option, potentially easing symptoms, lowering inflammation, and nurturing gut health. In this article, we’ll dive into the benefits of nutritional supplements for those managing IBD, helping you make well-informed choices for your health journey.

What Is Inflammatory Bowel Disease?

Inflammatory Bowel Disease (IBD) refers to a group of chronic inflammatory conditions that affect the gastrointestinal (GI) tract. The two main types of IBD are Crohn’s disease and ulcerative colitis. These conditions cause inflammation and damage to the lining of the digestive tract, leading to a range of symptoms that can significantly impact an individual’s quality of life. Common symptoms of IBD include abdominal pain, diarrhea, rectal bleeding, weight loss, fatigue, and fever.

In severe cases, IBD can also cause complications such as bowel obstructions, fistulas, and nutritional deficiencies. The exact cause of IBD is not fully understood, but it is believed to involve a combination of genetic, environmental, and immune system factors. Factors such as genetics, diet, stress, and environmental triggers may contribute to the development and exacerbation of IBD symptoms. Overall, IBD is a complex and challenging condition that requires careful management and ongoing medical care.

Crohn’s disease and ulcerative colitis are inflammatory bowel diseases, but Crohn’s can affect any part of the gastrointestinal tract with patchy inflammation, while ulcerative colitis primarily affects the colon and rectum with continuous inflammation.

What Food and Lifestyle Factors Are Important For Managing Inflammatory Bowel Disease?

  • Anti-inflammatory Diet: Focus on a diet rich in anti-inflammatory foods, such as fruits, vegetables, whole grains, lean proteins, and healthy fats like omega-3 fatty acids. Avoid processed foods, high-fat foods, and foods high in sugar and refined carbohydrates, which can exacerbate inflammation.
  • Fiber Intake: Gradually increase fiber intake from fruits, vegetables, and whole grains to support digestive health. However, persons with IBD may need to adjust fiber intake based on their symptoms, as high-fiber foods can sometimes aggravate symptoms during flare-ups.
  • Hydration: Stay well-hydrated by drinking plenty of fluids throughout the day. Water, herbal teas, and diluted fruit juices can help maintain hydration levels and support digestive function.
  • Stress Management: Practice stress-reducing techniques such as mindfulness meditation, deep breathing exercises, yoga, or tai chi to help manage stress levels. Stress can exacerbate IBD symptoms, so finding ways to relax and unwind is important.
  • Regular Exercise: Engage in regular physical activity to support overall health. Exercise can help reduce inflammation, improve digestion, and boost mood. Aim for a combination of aerobic exercise, strength training, and flexibility exercises.
  • Smoking Cessation: If you smoke, quitting smoking is essential for managing IBD symptoms. Smoking can worsen inflammation and increase the risk of complications in persons with IBD.
  • Medication Adherence: Take prescribed medications as directed by a healthcare provider to help control inflammation and reduce symptoms. It’s important to follow the treatment plan recommended by your healthcare team and attend regular follow-up appointments.
  • Nutritional Supplements: In some cases, nutritional supplements may be beneficial for persons with IBD, especially if there are deficiencies in certain vitamins or minerals. Talk to a healthcare provider or registered dietitian about whether supplementation is appropriate for you.
  • Sleep Quality: Prioritize good sleep hygiene habits to ensure adequate rest and recovery. Aim for 7-9 hours of quality sleep per night and establish a regular sleep schedule.

Dietary supplements are not designed to diagnose, treat, cure, or prevent any disease. This article aims to offer valuable insights into which nutritional supplements have undergone scientific study and shown promise in supporting specific health conditions. We break down the research, so you can work with your medical providers to make informed decisions about adding supplements to your health regimen. For personalized advice tailored to your needs, we recommend consulting with a registered dietitian in addition to your primary care provider.

Check with your physician when adding supplements. While supplements are generally safe for most people, do not add nutritional supplements without your physician’s specific approval if you are pregnant or nursing, are undergoing cancer treatment, have a history of organ transplant, liver or kidney disease, or take medications that interact with supplements.


  • Boswellia: Boswellia serrata (Indian frankincense) reduces inflammation. [PMC4367210] A 2001 study found that Boswellia was as effective as mesalamine, an anti-inflammatory medication often used in the treatment of IBD. [PMID: 11488449][PMC5588418]
  • Zinc Carnosine: Zinc deficiency is common in IBD and increases the risk for poor outcomes. [PMC5177471] Zinc carnosine is especially beneficial for managing IBD during a flare-up because it combines the healing properties of zinc with carnosine’s ability to protect and repair the gut lining, reducing inflammation and promoting mucosal healing. [PMID: 35659631]
  • Omega-3 Fatty Acids: Omega-3 fatty acids, found in fish oil, have been shown to reduce gut inflammation and improve symptoms in inflammatory bowel diseases. Research shows that ω3 fatty acids reduce intestinal inflammation, and induce and maintain clinical remission in UC patients. Omega-3s are related to the reduction of proinflammatory cytokines, decrease disease activity, and increase the quality of life of CD patients. [PMC6801729]
  • Curcumin: Curcumin is a naturally occurring chemical found in turmeric. It has been shown to reduce inflammation and treat ulcerative colitis when used with mesalamine therapy. [PMID: 25724700]
  • Probiotics: Inflammatory bowel disease (IBD) is a chronic gut condition, divided into Crohn’s disease and ulcerative colitis. Researchers have found that combining standard treatment with probiotics might be an option to achieve remission in active Ulcerative Colitis patients. [PMC539443]
  • Common Nutrient Deficiencies:
    • Vitamin D: Supplementing with Vitamin D can help reduce the risks of osteoporosis and will play a role in modulating immune responses to decrease inflammation in IBD patients. [PMID: 35396764] Vitamin D deficiency is common in IBD and it should be tested. Vitamin D dosages should be adjusted based on your blood level with many clinicians recommending an optimal Vitamin D level of 50-80 ng/ml. Vitamin D Labs (affiliate link) can be ordered in the NutriScape Lab Shop.
    • B Complex Vitamins (specifically B12 and Folate): In Crohn’s disease, absorption of B12 can be impaired, and people with IBD commonly have lower folate levels. Supplementing these vitamins may help reduce their deficiencies and improve overall health in persons with IBD. PMC5409721
    • Iron: Iron is vital for the formation of hemoglobin in red blood cells and is often supplemented in IBD patients to address iron-deficiency anemia, a common issue arising from chronic intestinal bleeding associated with IBD. Iron supplements can help improve energy levels and overall health in these patients. [PMC7697745]
    • Fiber Foods and Supplements: Fiber may need to be avoided during IBD flares, but should be slowly reintroduced as tolerated when symptoms are in remission. [PMC9220141]
    • Magnesium: Magnesium deficiency is very common in IBD and is likely to cause worse disease severity.[PMC10923208][PMC11174356]
  • More:
  • Peppermint Oil: Peppermint acts as an antispasmodic and can help calm the digestive tract muscles. It is effective at treating IBS-like digestive symptoms, mainly pain and bloating. [PMC6337770]
  • Aloe: Aloe vera gel is an anti-inflammatory that has been researched in the treatment of UC and reduced disease activity after one month of treatment. [PMC4202341]
  • Wormwood: Artemisia absinthium aka wormwood has historically been used to treat IBD. Its ability to decrease inflammatory proteins and its antimicrobial properties are likely the mechanisms. The available data through clinical trials supports its ability to achieve healing in patients with Crohn’s. [PMID: 19962291]

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Supplement Safety Information

Vitamin D, calcium, iron, B vitamins (specifically B12 and folate), zinc, omega-3 fatty acids from fish oil, probiotics, and fiber supplements are safe and beneficial for managing inflammatory bowel disease (IBD).

Medication Interactions:

  • Corticosteroids: May decrease calcium absorption, possibly reducing the effectiveness of calcium supplementation. Vitamin D absorption can be diminished by corticosteroids, increasing the risk of vitamin D deficiency.
  • Immunosuppressants (e.g., Azathioprine, Methotrexate): Vitamin B12 absorption may be interfered with by immunosuppressants, possibly leading to deficiency. Folate absorption can also be affected by immunosuppressants, increasing the risk of folate deficiency.
  • Antibiotics (e.g., Ciprofloxacin, Metronidazole): Probiotics’ effectiveness may be reduced by antibiotics, as they can disrupt gut bacteria balance.
  • Nonsteroidal Anti-Inflammatory Drugs (NSAIDs) (e.g., Ibuprofen, Naproxen): Omega-3 fatty acids from fish oil, when combined with NSAIDs, may increase bleeding risk due to their blood-thinning properties.
  • Anticoagulants (e.g., Warfarin, Heparin): High-dose vitamin K supplements may interfere with the effectiveness of anticoagulants, as they inhibit vitamin K-dependent clotting factors.
  • Methotrexate: Folic acid’s effectiveness as an IBD treatment may be reduced by methotrexate, as it inhibits folic acid metabolism.

Supplement Interactions:

  • Iron: Calcium can inhibit iron absorption when taken together, so it’s advisable to avoid simultaneous intake to maximize iron absorption. High doses of zinc may interfere with iron absorption, suggesting spacing out their intake if consumed together.
  • Vitamin D: Vitamin D aids in calcium absorption, synergistically enhancing bone health and immune function when taken alongside calcium.
  • Omega-3 Fatty Acids (from fish oil): High doses of omega-3 fatty acids may increase bleeding risk when combined with vitamin E, which also possesses anticoagulant properties.
  • Probiotics: Fiber supplements can nourish probiotics and promote their growth in the gut, possibly amplifying their beneficial effects on gut health.
  • Folic Acid: Folic acid supplementation may mask Vitamin B12 deficiency symptoms, emphasizing the importance of adequate intake of both vitamins to prevent deficiencies.
  • Vitamin B12: Vitamin B12 and folate function synergistically, with deficiencies in one masking deficiencies in the other, highlighting the necessity of maintaining a balance between them.

Food First!

Although this article discusses supplements in detail, don’t forget that we are absolutely committed to the “Food First” approach to nutrition. When it comes to your health, the totality of your eating habits far surpasses the impact of individual nutrients or any single supplement you consume. Even though this article doesn’t delve into the broader picture of your overall diet, it’s crucial to keep this element at the forefront of our minds. Your food needs to provide all the vitamins, minerals, fiber, and phytochemicals to nourish your body systems down to the cellular level.

Food choices, rather than supplements, are the most critical factors for a healthy gut microbiome. These trillions of tiny inhabitants in your gut affect your brain waves; they orchestrate your immune system. They possess the power to create molecules that can switch genes on or off and are even capable of synthesizing neurotransmitters. Opting for organic foods and steering clear of plastic packaging (including those labeled BPA-free) is a smart move to limit toxin exposure. The sum of all these parts leads to a powerful conclusion: the ultimate key to your health lies in the quality and balance of the food you consume. Supplements are secondary.

What To Eat

To Sum It Up

Incorporating Vitamin D, Calcium, Iron, B Vitamins (specifically B12 and Folate), Zinc, Omega-3 Fatty Acids (from fish oil), Probiotics, and Fiber Supplements into your routine can offer numerous health benefits for managing inflammatory bowel disease. These nutrients support bone health, boost the immune system, aid in tissue repair, regulate inflammation, improve gut flora balance, and enhance overall gastrointestinal function. By including these supplements as part of a balanced diet, persons with inflammatory bowel disease can relieve symptoms and improve their quality of life.


This Article is Not a Substitute for Medical Advice

Dietary supplements are not designed to diagnose, treat, cure, or prevent any disease. The Supplement Sciences website seeks to provide comprehensive access to the most relevant supplement information along with convenient online ordering. We do not provide medical advice and cannot guarantee that every product suggested is completely without risk. Since each person is unique in their health history and medication use, it is important to discuss supplements with your personal physician. Specifically, pregnant women and individuals being treated for cancer or liver or kidney problems must consult their physician about every nutritional supplement they plan to take. People taking medications for the treatment of HIV or with a history of organ transplant must not take supplements without consulting with their physician.


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