Taken with meals
HUM Nutrition Flatter Me Digestive Enzymes
A vegan capsule of 18 digestive enzymes plus ginger, fennel and peppermint leaf, taken with a meal.
- Format
- Capsule, once a day
- Type
- Digestive enzyme and herbal
- Cost
- $0.29 a day
- Customer rating
- 4.1 out of 5 from 8,951 ratings from Amazon
What customers consistently report
- Less bloating after meals
- More regular digestion
- A small capsule that is easy to swallow
Those are the themes that recur across the reviews. Moderate review confidence — the 4.1 from 8,951 Amazon ratings is independent and Target (4.3 from 3,252) agrees, while the brand’s own 4.5 from 2,880 is a widget on its own page, Walmart reviews are partly promotion-tagged, and Trustpilot rates the whole brand 1.8 from 73.
Why it might work
Digestive enzymes are proteins that split food components: proteases act on protein, lipase on fat, amylases on starch, alpha-galactosidase on the gas-forming sugars in beans and vegetables, cellulase on plant fiber and lactase on milk sugar. The idea behind a blend is that less undigested food reaches the colon, where bacteria ferment it into gas. Enzyme supplements have clear uses where the body lacks an enzyme, such as lactase for lactose intolerance, and weaker evidence for general bloating. Ginger speeds stomach emptying in small trials, and peppermint oil relaxes gut muscle in IBS trials, though this label carries leaf powder. The label gives no enzyme activity units and no per-herb amounts, so what can be checked is the ingredient list and the 249 mg total, not how active each enzyme is.
What the research supports
One placebo-controlled crossover trial of this formula exists: 20 healthy adults with daily post-meal bloating took it or a placebo with two slices of pizza, and the waist grew 0.63 cm with the product against 1.50 cm with placebo at 30 minutes (p = 0.04). It was funded by HUM, the author was a HUM employee, it was a pilot with no power calculation, and the self-reported bloating, gas and indigestion scores did not differ significantly. The ginger, peppermint and fennel are 45 mg combined; the ginger trial usually cited used 1.2 g, and the peppermint evidence is for enteric-coated oil in people with IBS, not leaf powder.
What the label discloses
The 18 enzymes are listed by name but sold as a single 249 mg proprietary blend with no activity units, so their strength cannot be compared with any trial. The three herbs share one 45 mg line, and the peppermint is leaf powder rather than enteric-coated oil. The label states Clean Label Project certification for contaminants, Non-GMO Project verification and a free-from list covering the major allergens; no USP or NSF mark is stated.
Who this tends to suit
We match this product to people reporting bloating and symptoms that follow particular foods. It fits someone whose priority is day-to-day comfort or handling meals. Whether it is the best fit for you depends on the rest of your answers — what you have already tried, what format you will take, and anything that has to be ruled out.
Where it may not fit
The label supports gluten-free, dairy-free, vegan and no added sweeteners. We flag this product for anyone pregnant or breastfeeding, and the quiz removes it rather than recommending it in those cases. That is a caution about who should be deciding, not a claim about the product. A capsule only works if you will take it once a day, every day.
Side effects and what to be aware of
Recurring complaints are no change in bloating, constipation or stomach upset in some users, and price; Trustpilot (1.8 from 73 reviews, brand-wide) adds subscription charges, a cancellation fee on an older plan and store credit instead of refunds for opened products. The brand advises a doctor before use if pregnant or nursing; the panel prints no other warning. Amazon also sells a separate Extra Strength version with a 374 mg enzyme blend.
Common questions
Does HUM Flatter Me work for bloating?
One placebo-controlled crossover trial of the formula, funded by HUM and written by a HUM employee, found less waist expansion after a pizza meal (0.63 cm with the product against 1.50 cm with placebo at 30 minutes, p = 0.04) in 20 healthy adults. Self-reported bloating, gas and indigestion scores did not differ significantly. It was a single meal and a pilot study.
Is Flatter Me safe, and what are the side effects?
The label panel prints no warnings; HUM says to consult a doctor before taking any supplement while pregnant or nursing. No product-related adverse events were reported in the 20-person trial. Some Amazon reviewers report constipation, nausea or heartburn, and others report no effect.
How much does Flatter Me cost?
HUM lists $27 for 60 capsules, or $18.90 on a first subscription order and $21.60 on later ones. Amazon read $17.55, Ulta $26.99 and Walmart $15.97 for a 30-count bottle. At one capsule a day the brand price is $0.45 a day and the Amazon price about $0.29; both double at two capsules.
Flatter Me vs a probiotic: what is the difference?
Flatter Me is a multi-enzyme capsule (18 enzymes in a 249 mg blend) with a 45 mg herbal blend of ginger, fennel and peppermint leaf; it acts on the food in a meal, not on gut bacteria. A probiotic supplies live bacteria meant to act over weeks. HUM’s own questions page says people often take both. The label prints no enzyme activity units, so it cannot be compared with another enzyme product on strength.
Can I cancel a HUM subscription?
HUM’s current terms say to cancel by email, chat or phone at least 24 hours before the next shipment, with a 30-day return window in which opened products get store credit. On Trustpilot, which rates the whole brand 1.8 from 73 reviews, the recurring complaints are subscription renewals, a cancellation charge on an older VIP plan and store credit instead of a refund. The capsules are also sold one-off by Target, Ulta, Walmart and Amazon.
Before you take this. Speak to a doctor or pharmacist first if you are pregnant or breastfeeding. Nothing on this page is medical advice, and no supplement diagnoses, treats, cures or prevents disease.
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Others we researched for the same job
These sit in the same role as HUM Nutrition Flatter Me Digestive Enzymes — taken with meals — so they are the sensible things to weigh it against.
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Related reading
Background on how this type of product works, read from the trial evidence.