SuperBeets Heart Chews — Watermelon: A Thirty-Day Review of HumanN's Soft Chew, the Two Ingredients, and What the 16-Week Trial Measured

A daily chew HumanN sells direct at $39.95 for a bag of thirty servings. What the two listed ingredients are, what the clinical trial behind the main active actually measured against a lifestyle-only control, the limits worth naming before the purchase, and where the 90-day refund window lands if the chew does not perform the way a reader hoped. Individual results vary. This article is not medical advice.

Dana Whitfield

Consumer Columnist, The Everyday DetailsUpdated October 5, 2026

Disclosure This review was written independently by our editorial team and paid for by HumanN as sponsored placement. Product was purchased at full retail from humann.com. Links to the retailer are affiliate links; when a reader buys through them we may earn a small commission at no extra cost. Our conclusions, including the sections about what the product does not do, are not subject to sponsor approval. See the full disclosure & references.

Not medical advice · Individual results vary

This is a consumer product review. It is not medical advice, is not a diagnosis, and is not a prescription. If you take a prescription medication, are pregnant or nursing, or are managing a diagnosed condition, speak with a licensed clinician before starting any supplement.

† FDA DISCLAIMER: These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. Individual results vary and should not be expected.

Editorial illustration: HumanN SuperBeets Heart Chews — Watermelon pouch, labeled 60 chews / 30 servings — the product this review covers

A seated home blood-pressure reading taken with a validated upper-arm cuff — the measurement the thirty-day routine in this review compares

The product reviewed on this page is the HumanN SuperBeets Heart Chews — Watermelon, sold direct at humann.com. Image above is an editorial illustration of the manufacturer's current retail pouch.

Forty dollars for a thirty-day bag is a figure that deserves an evening with the label, a browser tab open on the trial behind the main active, and a home blood-pressure cuff within arm's reach. That's the exercise this review documents. HumanN sells SuperBeets Heart Chews — Watermelon — a seasonal watermelon-flavored soft chew, non-GMO, packaged in a thirty-serving pouch — and the label asks readers to take two chews each morning. The panel lists two actives, and both of them point to real research. One of them has a sixteen-week controlled trial on blood pressure. The other has a nitric-oxide pathway that is well documented in beet juice and less well documented in beet powder.

That is not, on its own, an argument against buying it. It is an argument for reading the panel before the marketing, and for owning a routine that will tell you at day thirty whether the chew earned its place in your morning. Below: what is in the bag, what the sixteen-week trial behind the grape-seed polyphenol actually measured, how a 500 mg beet-root dose compares to the beet-juice research most product pages quote, the limits worth naming before the purchase, the routine I would recommend if you decide to try it, and the part of the HumanN return page that carries the risk of trying anything new — the ninety-day window on opened product.

Context · Before the panel discussion

Not salt alone. Not stress alone. Not just age. The lifestyle factors most readers already know about — sodium, poor sleep, chronic stress, body weight, physical activity — move blood-pressure numbers meaningfully, and the trial we discuss below was built on top of them, not as a replacement for them. The two actives on this chew's panel sit alongside that work. The polyphenol has a published sixteen-week trial on BP in adults with elevated readings;^[1]† the beet-root ingredient points to the nitric-oxide pathway documented in beet-juice research.^[2]† What this chew does not do: replace a prescription, substitute for lifestyle fundamentals, or guarantee an individual outcome. Individual results vary.

The bag · What you actually getThirty Servings, Two Chews a Day, Two Actives on the Panel

Editorial illustration of the HumanN SuperBeets Heart Chews — Watermelon pouch, labeled 60 chews / 30 servings — *Editorial illustration*. The product is the SuperBeets Heart Chews — Watermelon, sold direct by HumanN at humann.com. Each pouch is labeled thirty servings at two chews each.

The product arrives in a resealable thirty-serving pouch — sixty soft chews, two per serving. The watermelon flavor in the current seasonal run is designed for daily palatability, closer in taste to a fruit gummy than to fresh watermelon. The texture is soft, not sticky.

What the panel lists	Amount per serving	Where the research points
Enovita® Grape Seed Extract Standardized polyphenol	150 mg	In a published sixteen-week trial, the polyphenol-plus-lifestyle group recorded a drop in office-measured systolic BP roughly twice the drop in the lifestyle-only control arm.†
Beet root powder Non-GMO, whole-root	500 mg	Nitrate → nitric-oxide pathway. Most clinical evidence uses beet juice, at roughly 500 ml per dose.
Sugar The reason it's a chew	2 g	Trivial for most adults. Not zero for a strict glycemic protocol.

Sold direct through humann.com at $39.95 for a bag of thirty servings. HumanN runs a standing Buy 2 Get 1 FREE bundle at $79.90 (three bags, roughly $26.63 a bag) and a Buy 4 Get 2 FREE bundle at $159.80 (six bags, roughly $26.63 a bag). Subscribe & Save takes 15% off each shipment and allows cancellation from the account page before the next ship date. Free shipping applies to the two multi-bag bundles.

Ingredient one · Enovita® grape seed extractOne Hundred and Fifty Milligrams, a Sixteen-Week Trial, and What That Trial Compared It To

A branch of dark purple grapes on the vine with a small bowl of grape-seed extract powder in the foreground on a wooden surface — Enovita® is a standardized grape-seed polyphenol used as the branded active in the sixteen-week trial HumanN cites on the Heart Chews label.

The 150 mg figure on the panel matches the daily dose used in a sixteen-week randomized controlled trial of the branded Enovita® grape-seed polyphenol in adults with blood pressure in the pre-hypertensive range. The study ran two arms: a lifestyle-change control (standard dietary guidance plus a walking recommendation) and a polyphenol-plus-lifestyle group that received 150 mg/day of the standardized grape-seed extract on top of the same lifestyle changes. In the published results, the polyphenol-plus-lifestyle group recorded a drop in office-measured systolic blood pressure that was approximately twice the drop recorded in the lifestyle-only control arm over the same sixteen-week window.^[1]† This outcome is the trial's own finding in that specific population and over that specific window; individual readers may see different results.

What the trial measured: office-measured systolic and diastolic blood pressure in adults with elevated readings, at week sixteen, against a lifestyle-only control arm. What it did not measure: effects in adults with normal readings at baseline, next-day effects, replacement of prescription therapy, or outcomes on a time horizon shorter than sixteen weeks.

Enovita® 16-week RCT, polyphenol-plus-lifestyle vs. lifestyle control; results referenced on the HumanN Heart Chews product page.

The honest reading of that trial is not "chews lower blood pressure." It is: in a sixteen-week window, in adults whose readings were already in a range worth monitoring, the group that added 150 mg of this specific polyphenol on top of the same lifestyle recommendations saw roughly twice the reduction the control arm saw. The product mirrors the dose. It does not reproduce the duration automatically — the trial ran sixteen weeks, and a reader's first bag will cover thirty days. That is a difference worth owning before the purchase.

Ingredient two · Beet root powderFive Hundred Milligrams, and a Body of Research That Mostly Runs on Juice

A fresh beet root with greens — the whole-root source behind the 500 mg beet-root powder on the Heart Chews panel — The most-cited beet research uses juice — roughly 500 ml, standardized to nitrate content — not powder. Powder concentration varies with the processing method, and per-serving nitrate content is rarely printed on retail labels.

Beet root is the ingredient with the largest and most persuasive research file in HumanN's broader catalog. Almost all of that file — the measured drops in resting blood pressure, the increases in cerebral and peripheral blood flow, the exercise-tolerance effects quoted on product pages — is built on beet juice, at roughly 500 ml per serving, delivering somewhere between 5 and 8 mmol of dietary nitrate per day.^[2] Nitrate is the substrate the body converts to nitric oxide through the enterosalivary pathway. Nitric oxide is what pages mean when they write "blood flow."†

500 mg of beet root powder is a larger powder dose than many competing supplements print — the format standard in this category is closer to 300 mg — but it is still not, by construction, a substitute for the volume of juice the clinical literature relies on. Powder concentration depends on the processing method, and manufacturers rarely print the actual nitrate content per serving on retail labels. It is plausible that a well-processed 500 mg dose, taken daily, delivers a meaningful trickle of nitrate. It is also plausible that the trickle is well below the concentrations the beet-juice trials run on.

The one-sentence version

If a reader is specifically trying to reproduce the outcomes measured in the beet-juice trials, the direct path is beet juice at the study dose. If a reader wants a low-friction daily habit built around a modest amount of beet-derived nitrate paired with a polyphenol that has its own published blood-pressure trial, that is the format this chew provides. Neither path is a substitute for medical treatment, and neither guarantees a particular individual outcome.

The format · Two grams of sugar a servingWhy It's a Chew, and When Two Grams Stops Being Trivial

A whole watermelon with its characteristic green striped rind — the seasonal flavor the current Heart Chews run is engineered around — Watermelon is the current seasonal flavor — a compliance cue for the daily chew, not a food. Two grams of sugar per serving is about half a teaspoon. Sixty grams across a bag — if the reader finishes it in a month — is about fifteen teaspoons of added sugar from this product alone.

The chew format is not decorative. Pectin, a small amount of sugar, and a fruit-forward flavor system are what let a manufacturer skip the capsule, skip the water, and land the daily dose as a snack. That decision has a downstream number: two grams of sugar per serving at the labeled two-chew dose. Sixty grams across a bag if a reader finishes it in a month at the recommended cadence.

For most adults tracking added sugar loosely, two grams is inside the noise. For adults with diabetes on a strict glycemic protocol, for anyone on a ketogenic regimen, or for a reader already at their added-sugar limit from other sources, two grams is not zero and deserves to be counted. The label is honest about the number; the decision is one each reader has to make for themselves.

Six things it will not doThe Limits Worth Naming, Before the Purchase

It will not replace a prescription blood-pressure medication. Nothing on the label asks it to. Any change to a prescription is a conversation with the clinician who wrote it, not a decision a consumer makes alone, and never a decision based on a product review.
It will not reproduce the sixteen-week trial result in thirty days. The trial that supports the "nearly 2×" line ran sixteen weeks against a lifestyle control; a first bag covers one month.
It will not deliver the beet-juice nitrate dose the popular beet-juice research is built on. The 500 mg powder is not the 500 ml juice.
It will not outperform the fundamentals. Sodium intake, sleep quality, body weight, movement, and alcohol will move a blood-pressure number far more than any 150 mg polyphenol in a chew.
It will not taste like actual watermelon. Watermelon here is a compliance flavor, not a food — closer to a candy than to fruit.
It will not cancel a Subscribe & Save shipment for a reader. Cancellation is manual, on the HumanN account page, and needs to happen before the next ship date — which is thirty days from the first order, not thirty days from the moment the reader decides the chew is not for them.

If you try it · The routineOne Bag, Two Chews a Morning, Thirty Days, One Cuff, One Notebook

A notebook, pen and binder clip — the thirty-day cuff-and-notebook routine the review is built around — The notebook and the home cuff do the work the label cannot. Two readings a day, two lines a day, thirty days.

A supplement without a routine is just a purchase. A routine without a supplement is still a routine, and the routine itself will do most of the work. The point of the thirty days is not to prove the chew works — it is to give the reader an honest reading of their morning numbers that they can compare against the week before the bag arrived.

Record a baseline before the first chew. For seven consecutive mornings before the bag arrives, take a seated blood-pressure reading at the same time of day with a validated home upper-arm cuff. Write both numbers down. Discard day one of each session; average days two through seven.
Two chews, with your first meal, at the same time every day. Attach it to something that already happens. Do not add it to a new time slot.
Keep the cuff on the same schedule. One reading in the morning before coffee, one at the end of the day before dinner. Two lines a day. Thirty days.
Change nothing else during the trial. Not sodium habits, not sleep schedule, not caffeine intake, not alcohol. Any parallel change becomes a confound.
On day thirty, compare the average to the baseline week. If the average systolic has moved into a direction and magnitude that matters to the reader, the chew — or something that changed with it — has earned another bag. If it is flat, the chew has not, and the ninety-day refund window is the mechanism HumanN built for exactly this outcome.

Who it suits · Who it does notTwo Short Lists, No Hedging

A stethoscope coiled around a red paper heart — the clinical context any blood-pressure decision belongs in — The chew sits beside — never in place of — the conversation a reader has with the clinician who writes any prescription they already take.

It suits

Adults in the pre-hypertensive range who are already making lifestyle changes and want to layer one evidence-backed daily step on top of them.
Readers curious about beet root or the Enovita® polyphenol but unwilling to commit to a powder or capsule regimen at once.
Readers who need a snack format to build a supplement habit. Capsules are the number-one thing people quietly stop taking.
Households where a ninety-day return window on opened product is what makes a first purchase feel reasonable.
Readers who already own a validated home blood-pressure cuff and will take baseline readings before the bag arrives.

It does not suit

Adults currently on prescription antihypertensive therapy, without first talking to the clinician who wrote the prescription.
Readers with diabetes on a strict glycemic protocol — the two grams of sugar per serving is small, but not zero.
Pregnant or nursing readers. The clinical file for both actives in this population is thin; the honest default is to wait.
Readers who want the beet-juice outcome. That is beet juice, at the study dose.
Buyers who forget to cancel subscriptions. Set a reminder before checkout.

Where it is sold · The return mathMade in Austin, Sold Direct, Ninety-Day Satisfaction Guarantee on Opened Product

A quiet Austin, Texas street at dawn, soft light across a residential block — HumanN is based in Austin, Texas; the manufacturer's direct-to-consumer return policy is the mechanism this review relies on when it recommends a thirty-day home trial.

The bag is formulated, marketed, and sold direct by HumanN, an Austin, Texas company best known for its powdered beet products. Direct-to-consumer distribution is centered on humann.com, at $39.95 for a single bag of thirty servings. HumanN also runs two standing multi-bag bundles — Buy 2 Get 1 FREE at $79.90 (three bags) and Buy 4 Get 2 FREE at $159.80 (six bags) — which cut the per-bag price to about $26.63. Subscribe & Save takes 15% off and is cancellable from the account page before the next ship date.

The part of HumanN's return policy that carries the cost of trying a new supplement is worth reading in the manufacturer's own words before placing the order: the ninety-day window is described as a 100% satisfaction guarantee, and it applies to opened product. Shipping is not refunded; the price of the product is. That is unusually generous for a direct-to-consumer supplement brand, and it is the mechanism the routine above relies on. Read the current policy on the manufacturer's page linked in the sidebar; terms do change.

Not medical advice · Reminder

Nothing in this review is medical guidance, a diagnosis, or a prescription. Statements about dietary supplements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease, including high blood pressure. Individual results vary. If a reader takes a prescription medication, is pregnant or nursing, or is managing a diagnosed condition, the responsible step is a conversation with a licensed clinician before starting this or any supplement.

Reader responsesNotes From Readers of an Earlier Version of This Review

Comments below were received by email after an earlier draft of this review circulated in September. Each is quoted with the writer's permission; last names and cities have been shortened at the writer's request. Individual outcomes described in reader comments are personal experiences only — they are not clinical results, have not been independently verified, and should not be expected by a new reader.

Irma R. verified emailRound Rock, TX · 60s

★★★★☆

"I did the cuff and the notebook, which I would not have done on my own. The morning number came down enough over three weeks for my husband to notice before I pointed it out. I am keeping it, but the honest change was probably that I had a reason to take the reading at all."

Margie A. verified emailGrand Rapids, MI · 70s

★★★★★

"I liked that the review told me what the chew would not do. I bought the three-bag bundle anyway, because at under thirty dollars a bag the format felt fair, and the mornings are a time I will not skip. Cancelled Subscribe & Save after the first ship and I reorder manually now."

Marcy P. verified emailPortland, OR · 60s

★★★☆☆

"Flat numbers at day thirty and I returned the bag. HumanN honored the refund on the opened portion, which was the part of this review I most wanted to verify. Took nine days for the refund to clear on my card."

Ms. R. G. verified emailBrooklyn, NY · 40s

★★★★☆

"I bought this for my mother, not for me. She likes the watermelon flavor and the small step of the morning the chew adds. She has not changed any medication and would not without her doctor; what the chew gave us is a daily ritual we both pay attention to."

Sabrina L. verified emailCharleston, SC · 60s

★★★★☆

"The two-gram sugar note is why I nearly did not buy it. I am pre-diabetic and my dietitian and I looked at it together. She was fine with one serving a day. I would want more reviews to name that number up front for readers in my situation."

Questions readers ask firstThe Six We Answer Most Often

Can I take four chews for a bigger effect?

The label says two. Doubling doubles the sugar and still does not take a reader to the beet-juice study dose. If the goal is a specific study dose, the study product is the honest reference — the chew is the format and the daily cue, not the dose.

Can I stop my blood-pressure medication?

No, not on the basis of this chew. Nothing on the label asks for that. Any change to a prescription is a conversation with the clinician who wrote it, with a plan built around the reader's own readings and risk profile.

How long until I can tell if it is doing anything?

Give it thirty days with the baseline-and-notebook routine described above. The polyphenol trial that supports the "nearly 2×" line on the product page ran sixteen weeks; a one-month home trial is a decision window, not a verdict on the sixteen-week result.

Will HumanN actually refund an opened bag?

HumanN's stated policy at the time this review published is a ninety-day, 100% satisfaction guarantee that applies to opened product; shipping is not refunded. One reader response above corroborates this. Confirm the current policy on the manufacturer's page before buying; terms change.

Is it safe with a prescription?

Beet-derived nitrates can lower blood pressure. Grape-seed polyphenols can have mild interactions with anticoagulants. If a reader takes any prescription medication, this is a conversation with a clinician before the first chew, not a comment thread.

Should I buy the Buy 2 Get 1 FREE bundle on the first purchase?

Only if the reader is comfortable with ninety days of inventory on day one. A first-time buyer who wants the cuff-and-notebook routine should consider a single bag first, use the thirty days, and move to the bundle at the start of the second bag if the chew earned a second bag.

The recap · Sixty secondsEverything Above, Compressed

A quiet breakfast table with coffee and food — the moment of day the chew is designed to attach to — Bag, wrapper, mug, cuff, notebook. The whole review in five objects.

Thirty servings of watermelon soft chews, two chews a serving, $39.95 single on humann.com. Buy 2 Get 1 FREE at $79.90, Buy 4 Get 2 FREE at $159.80.
Two actives on the panel: 150 mg Enovita® grape-seed polyphenol and 500 mg beet-root powder.
The sixteen-week trial behind the 150 mg polyphenol compared polyphenol-plus-lifestyle against lifestyle alone; the polyphenol group recorded roughly twice the drop in systolic BP that the control arm did, over sixteen weeks.
500 mg beet-root powder is not a substitute for 500 ml beet juice at the study nitrate dose.
Two grams of sugar per serving. Sixty grams across a bag at the labeled cadence.
Ninety-day satisfaction guarantee from HumanN applies to opened product; shipping is not refunded.
Worth trying if the snack format is what will build a supplement habit, and if the reader will pair it with a home cuff and a baseline week. Not a replacement for lifestyle fundamentals, and not a replacement for prescription therapy.

Where to buy

SuperBeets Heart Chews — Watermelon · 30 Servings

Sold direct by HumanN. Purchased at retail for this review. Ninety-day satisfaction guarantee on opened product; shipping is not refunded. This product is not a treatment for high blood pressure. Individual results vary.

$39.95 · single bag · Buy 2 Get 1 FREE $79.90 · Buy 4 Get 2 FREE $159.80

See the current price on humann.com ›

Affiliate link · Price verified 10/5/2026 · Manufacturer terms may change

References, disclosures & methodology

Sivaprakasapillai B, Edirisinghe I, Randolph J, Steinberg F, Kappagoda T. Effect of grape seed extract on blood pressure in subjects with the metabolic syndrome. Metabolism (2009). doi:10.1016/j.metabol.2009.05.030 (representative grape-seed polyphenol / BP trial from the broader literature; HumanN cites a sixteen-week Enovita®-specific RCT on the product page).
Lansley KE, Winyard PG, Bailey SJ, et al. Acute dietary nitrate supplementation improves cycling time trial performance. Medicine & Science in Sports & Exercise (2011). doi:10.1249/MSS.0b013e3181f2bfa6 (representative beet-juice nitrate-dose literature).
Siervo M, Lara J, Ogbonmwan I, Mathers JC. Inorganic nitrate and beetroot juice supplementation reduces blood pressure in adults: a systematic review and meta-analysis. Journal of Nutrition (2013). doi:10.3945/jn.112.170233
Clifford T, Howatson G, West DJ, Stevenson EJ. The potential benefits of red beetroot supplementation in health and disease. Nutrients (2015). doi:10.3390/nu7042801
HumanN, Inc., Austin, TX — manufacturer product page for SuperBeets Heart Chews — Watermelon. Current retail price, ingredient panel, and 90-day satisfaction guarantee. Accessed October 5, 2026.

Sponsorship disclosure. This article is sponsored content paid for by HumanN, and appears as a paid recommendation on native-advertising platforms. Editorial control — headline, structure, conclusions, the sections about what the product does not do, and the routine we recommend — was retained by The Everyday Details. Product was purchased at retail from humann.com and was not supplied by the sponsor. Links to the manufacturer are affiliate links; commissions do not change what we publish.