GutOptim Review: Ingredients, Price and What to Know Before Buying

Updated 2026-10-08 · NutriNaturalis Editorial Team

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Verdict: GutOptim is a two-capsule-a-day blend built mostly on fiber (glucomannan, flaxseed, oats, apple pectin, prune) plus one probiotic and bentonite clay. The fiber idea is sound; doses are hidden and the "parasite" pitch is unsupported.

This summary is based on the official GutOptim sales page and text page, checked against public health sources. We did not test GutOptim.

What is GutOptim?

GutOptim is a capsule supplement sold online with BuyGoods as the retailer. The text version of the official page calls it a "synbiotic" formula, meaning a mix of prebiotic fiber and a probiotic, and adds bentonite clay. The page says it was created by a Swiss food scientist.

The video headline links digestive problems to a "blue parasite." The FAQ goes further and talks about parasites eating the colon lining. These are marketing claims. Parasite infections do occur, but they need diagnosis and treatment by a doctor, and nothing on the page shows that GutOptim addresses them.

What's inside GutOptim?

According to the official website, GutOptim contains a proprietary blend of:

The page is not consistent about the count: one section says ten ingredients, the FAQ says nine, and nine are named. We list only what is named. Doses are not disclosed.

What does the research say about GutOptim's ingredients?

• Fiber (glucomannan, flaxseed, oats, apple pectin, prune). Fiber adds bulk and holds water in stool. MedlinePlus on dietary fiber and the NIDDK eating guide for constipation both recommend fiber-rich foods for regularity. Prunes add fiber plus sorbitol, a natural sugar alcohol that draws water into the bowel.
• Flaxseed. The NCCIH flaxseed page notes that flaxseed has a long history of use as a laxative, and that higher doses of flaxseed supplements may cause bloating, fullness and diarrhea. It may also interact with blood thinners.
• Aloe vera. According to NCCIH on aloe vera, oral aloe latex can cause cramps and diarrhea, and some forms of aloe have raised safety concerns. The GutOptim page does not say which part of the plant is used.
• L. acidophilus. A common probiotic species; NCCIH stresses that effects vary by strain and the GutOptim page does not state a strain or CFU count.
• Bentonite clay and black walnut. Both are popular in "cleanse" products, but we found no strong human evidence that either improves digestion.

Check GutOptim on the official website

How do you take GutOptim?

The official FAQ says to take two capsules per day with plenty of water. Water matters with fiber-heavy products, and glucomannan in particular swells when wet. Bentonite clay may also bind other substances, so a common-sense precaution is to separate GutOptim from medicines by a few hours and confirm the timing with your pharmacist.

How much does GutOptim cost?

The GutOptim order section offers 1, 3 and 6 bottles. Prices loaded dynamically and were not visible in the page text when we checked, so check the current price on the official website. The page states that every order ships free within the U.S., with $15.95 shipping to Canada, the UK and Ireland, and Australia and New Zealand. The FAQ describes a one-time payment with no autoship. Two bonus guides about body toning and desserts are shown with 3- or 6-bottle orders (the FAQ mentions only the 6-bottle pack).

Does GutOptim have a refund policy?

The sales page describes a 60-day money-back guarantee. Confirm the return steps at checkout or in the refund policy linked in the page footer.

Who should not take GutOptim?

The GutOptim FAQ claims the formula is designed for "all ages and medical conditions," yet the same site's disclaimer tells people who are pregnant, nursing, on medication or with a condition to consult a physician. We side with the disclaimer. Talk to a doctor first if you:

• Are pregnant, nursing or under 18.
• Take any daily medicine (fiber and clay can affect absorption).
• Have trouble swallowing or a history of bowel narrowing, since swelling fibers such as glucomannan need plenty of fluid.
• Have a weakened immune system (relevant to probiotics).
• Have ongoing symptoms that have not been checked by a clinician.

What are the GutOptim cons?

• Proprietary blend with no doses.
• Contradictory ingredient count (ten vs nine).
• Unsupported "parasite" storyline in the video and FAQ.
• Unverified safety claims such as "proven to be safe in clinical trials."
• Very close to Synogut. The Synogut ingredient list names the same nine items plus psyllium; see GutOptim vs Synogut.
• Only sold online through the official site.

How can you reduce gas when starting GutOptim?

Fiber-heavy capsules such as GutOptim can cause extra gas in the first week, especially if your usual diet is low in fiber. Starting with one capsule a day for several days before moving to the two-capsule serving on the label, drinking a full glass of water with each dose, and keeping other new high-fiber foods steady during the first weeks all make it easier to tell how your body is reacting. If cramps or diarrhea develop, stop and reassess.

Is GutOptim better than a plain fiber supplement?

GutOptim adds a probiotic, aloe, clay and walnut to a fiber base. Whether that is better than a single-ingredient fiber such as psyllium is unknown, because the formula has not been compared in a published study. Our constipation guide and synbiotics explainer can help you decide whether a multi-ingredient blend makes sense for you. If you prefer a drink, compare DigestSync vs GutOptim.

See GutOptim packages and guarantee

Sources consulted: medlineplus.gov, niddk.nih.gov, nccih.nih.gov.