Supplement review
GlucoNite review: a bedtime blood-sugar drink, checked against the evidence.
GlucoNite is a powder you mix with water before bed, sold as sleep and blood-sugar support. Here is what the seller claims, what public health sources say about its 15 ingredients, who should not take it, and the price and refund terms we read on the official pages on November 9, 2026.
Supplement review · not tested by us · evidence from NIH, NCCIH, FDA and PubMed
The short answer.
Keep taking your prescribed diabetes medicine, and talk to your doctor or pharmacist before you try GlucoNite or any other supplement. NCCIH says herbal supplements taken with diabetes medicines can cause unwanted side effects, and NIH warns that some blood-sugar supplement ingredients can add to diabetes medicines and raise the risk of low blood sugar (hypoglycemia). GlucoNite is also a bedtime drink with 3 mg of melatonin and other ingredients that can make you drowsy. Never use a supplement in place of the treatment your care team prescribed.
If a GlucoNite ad promised better blood sugar while you sleep, you are right to check before you pay. GlucoNite (the seller also writes Gluconite) is a powder sold through ClickBank on gluconite.com. You mix one scoop with water before bed. The seller says it supports blood sugar, sleep and metabolism overnight. We found no published study of GlucoNite itself. Six of its 15 ingredients are sleep or relaxation ingredients; the rest are vitamins, minerals, a sweetener, hibiscus and willow bark. None has good evidence for blood-sugar control. One, melatonin, made blood sugar rise more after a glucose drink in a small study when it was taken right before.
Our view, in one line: this is mainly a sleep blend with a blood-sugar label, and it raises real questions (willow bark, vitamin K, and drowsiness from melatonin) for people who take other medicines. The seller’s own terms of use also say, word for word, “If you are diabetic you agree not participate in any recommended program.” Before you buy any blood-sugar product, our free eight scam checks take about five minutes.
| What it is | A dietary supplement powder: one 2.75 g scoop in 6 ounces of water, 30 to 60 minutes before bedtime; 30 servings per container |
|---|---|
| Named ingredients | Melatonin, white willow bark, GABA, tryptophan, chamomile, hibiscus, passionflower, hops, stevia, vitamins A, C, D and K, zinc and chromium |
| Amounts shown? | Yes, on the label image on the seller’s FAQ page |
| Published trial of GlucoNite? | None found on PubMed |
| Price | 1 container $69 plus shipping; 3 for $177; 6 for $294 |
| Refund window | 180 days from shipping; you mail back all containers and pay the postage |
| Talk to your doctor first if you | take diabetes medicine, a blood thinner such as warfarin, a sleep or anxiety medicine, or blood-pressure medicine; are allergic to aspirin; or are pregnant or breastfeeding |
See today’s GlucoNite prices on the official site (affiliate link)
Opens gluconite.com in a new tab. Prices and terms can change; the order page is the final word.
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What the seller says.
These are the seller’s own words from gluconite.com on November 9, 2026. They are claims, not our findings.
- “Gluconite is the only formula in the world that supports healthy blood sugar as you sleep deeply.”
- It “contains several nutrients proven to support deeper sleep and to help you fall asleep in less time.”
- It “supports your metabolism and can help reduce food cravings. The results will become obvious in a few weeks when you look in the mirror.”
- “The fat should start to melt away from your frame at this point… and that’s when you can start checking your readings.”
- “It’s perfectly safe and non-habit forming,” and the FAQ says “There are no reported side effects.”
The page is written in the first person by someone it never names. Its references page lists studies of sleep, melatonin, 5-hydroxytryptophan, magnesium, vinegar and curcumin; magnesium, vinegar, curcumin and 5-hydroxytryptophan are not on the label shown on the seller’s FAQ page, and none of the studies tests GlucoNite. The FAQ also warns, “We may run out of stock or increase the price as soon as tomorrow.”
The seller’s FAQ does give useful cautions: GlucoNite “can cause drowsiness,” should not be taken before driving or operating machinery, and people using medication should consult a physician first. We agree with those.
What is in each scoop.
The Supplement Facts image on the seller’s FAQ page lists these amounts per 2.75 g scoop. The right-hand column is what independent sources say.
| Ingredient | Amount | What the evidence says |
|---|---|---|
| Melatonin | 3 mg | NCCIH: short-term use appears safe for most people; it can cause next-day drowsiness, especially in older adults. In a study of 21 healthy women, 5 mg taken right before a glucose drink made blood sugar rise more. Pooled trials on blood sugar disagree. |
| White willow bark extract | 367 mg | Contains salicin, a salicylate related to aspirin. Studied for back pain, not blood sugar. Published reviews say people with aspirin allergy or on blood thinners should be warned about it. |
| GABA | 500 mg | In a 95-day trial in 52 adults with prediabetes, 1,500 mg a day did not change the blood-sugar response to a meal. Evidence for sleep is very limited. |
| Tryptophan | 150 mg | No blood-sugar evidence found. In 1989 the FDA recalled tryptophan supplements after an outbreak of a rare muscle and blood disorder (EMS); contaminated batches are the suspected cause. |
| Hibiscus powder | 1 g | A meta-analysis found a drop in systolic blood pressure of about 7 mmHg and only a small change in fasting glucose (about 4 mg/dL). |
| Chamomile flower | 500 mg | NCCIH: very little evidence for sleep and nothing on blood sugar; allergic reactions and interactions with warfarin are reported. |
| Passionflower extract | 30 mg | NCCIH: a small amount of evidence for sleep; can cause drowsiness, dizziness and confusion; not for use in pregnancy. |
| Hops flower | 30 mg | Studied mainly with valerian for sleep, with modest effects. No blood-sugar evidence found. |
| Stevia (rebaudioside A) | 100 mg | A sweetener. The FDA has not questioned stevia sweeteners of 95% or higher purity as generally recognized as safe; this label lists a 90% extract. |
| Vitamins A, C, D, K; zinc; chromium | 1,000 IU; 50 mg; 1,000 IU; 60 mcg; 5 mg; 10 mcg | Small amounts, under adult upper limits. Vitamin K matters if you take warfarin. NIH finds the evidence too weak to use zinc for type 2 diabetes; 10 mcg of chromium is less than a day’s adequate intake. |
Amounts from the label image on gluconite.com, read November 9, 2026. Evidence summaries from the sources listed at the end of this page.
What this means for you, in plain words. Most of what is in a scoop is there to make you sleepy or relaxed. The few vitamins and the 10 mcg of chromium are small amounts, below the adult upper limits. The ingredients that deserve a question for your pharmacist are melatonin, willow bark and vitamin K, because of how they can mix with other medicines.
What the evidence says overall.
- GlucoNite itself has not been studied. A PubMed search on November 9, 2026 returned no published trial of the product.
- It is built around sleep, not blood sugar. Melatonin, GABA, tryptophan, chamomile, passionflower and hops are sleep or relaxation ingredients. NCCIH describes the sleep evidence for chamomile as very thin and for passionflower as small.
- No ingredient has good blood-sugar evidence. NCCIH says that for most supplements there is no evidence of a benefit for diabetes or its complications. The GABA trial in prediabetes found no effect at three times GlucoNite’s amount. Melatonin studies disagree, and one found it raised blood sugar after a glucose drink taken soon after it.
Sleep matters, and it is a fair topic to raise with your care team. But a supplement that makes you drowsy is not evidence that it helps blood sugar. The FDA does not approve dietary supplements before they are sold.
Medicines, low blood sugar and who should not take it.
Do not stop or change any prescribed medicine to try a supplement. If you take diabetes medicine, ask your prescriber before adding anything at bedtime. Signs of low blood sugar listed by the FDA include sweating, shakiness, confusion, anxiety, hunger and heart palpitations. Some of these can be easy to miss when you are drowsy.
- Blood thinners. Willow bark is a salicylate, vitamin K changes how warfarin works, and NCCIH reports chamomile interactions with warfarin. Ask before taking GlucoNite if you take warfarin or another blood thinner.
- Aspirin allergy. A published case describes a severe allergic reaction (anaphylaxis) to a willow bark supplement in a woman allergic to aspirin.
- Sleep, anxiety and pain medicines. Melatonin and passionflower can add drowsiness, and NCCIH says chamomile may interact with sedatives. The seller says not to combine GlucoNite with other supplements likely to cause drowsiness. NCCIH notes passionflower may slow the nervous system too much around surgery.
- Blood-pressure medicine. Hibiscus lowered blood pressure in trials. If you already take blood-pressure medicine, tell your prescriber.
- Driving and night waking. The seller warns about drowsiness and driving. Plan for that if you get up at night or drive early.
- Pregnancy, breastfeeding and under 18. The seller says these groups should not take it, and NCCIH says passionflower should not be used in pregnancy.
Price, shipping and refunds (read November 9, 2026).
| Package | Supply | Total | Per container | Shipping |
|---|---|---|---|---|
| 1 container | 30 days | $69 | $69 | “Small shipping fee” (amount not stated) |
| 3 containers | 90 days | $177 | $59 | Free |
| 6 containers | 180 days | $294 | $49 | Free |
The page shows crossed-out totals of $297, $891 and $1,782 without saying where those prices come from. The seller says every option is a one-time charge.
Refunds. The returns page gives you 180 days from the date your order ships. You email the seller first with “Refund Request” in the subject, wait for confirmation, then mail every container (empty and unopened) to the returns address in Ohio and pay the postage yourself. The seller says the refund is issued once the return is registered and usually shows on your statement within 5 to 10 days. The order page says it will refund “every cent, including shipping,” while the returns page says you cover the return postage.
If you decide to buy.
- Ask your doctor or pharmacist first, with the label in hand.
- Start with one container and write down the shipping date.
- Keep every container and the order email until the 180 days are over.
Check the current GlucoNite price and terms (affiliate link)
Run the scam checks on this page yourself.
Our article on supplement scams walks through eight checks you can run on any blood-sugar product in about five minutes. Here is how the GlucoNite pages look on some of those checks and warning signs.
| Check | On the GlucoNite pages |
|---|---|
| Author | Written in the first person by someone who is never named. |
| Support | A references page that cites ingredients not on the label and no study of GlucoNite. |
| Limits | “Perfectly safe” and “no reported side effects,” next to a drowsiness warning in its own FAQ. |
| Pressure | “We may run out of stock or increase the price as soon as tomorrow.” |
A missing answer is not proof of fraud. It is a reason to slow down and ask your care team.
Want to check a claim step by step? Use the free Source Credibility Checklist on screen.
Questions to take to your doctor or pharmacist.
- Is willow bark or vitamin K a problem with any medicine I take?
- Could melatonin at bedtime affect my blood sugar or how I notice a low at night?
- Is anything I take already making me drowsy?
- Is there a better first step for my sleep that we can try together?
Bring the label, or this page. The free Care-Team Conversation Planner helps you write the questions down and record the answer.
If you decide not to buy, here is a five-minute next step.
Choosing not to buy is a reasonable decision, not a missed chance. If you still want to do something today, try this:
Look the name up on the FDA’s warning pages.
Search for “GlucoNite” on the FDA pages about illegally sold diabetes products, and write down the date you checked. Our guide to looking up a product on the FDA warning pages shows where to search. A name that is not listed has not been approved; it simply has not been warned about.
Write three questions for your next visit.
Use the questions above, or the free Care-Team Conversation Planner, so you leave the appointment with an answer and a next step.
Practice one label skill.
The free Food-Label Practice has five fictional labels with explained answers, and our article on reading a Supplement Facts label shows how to spot hidden amounts on any bottle.
GlucoNite questions, answered.
Is GlucoNite legit?
It is a real product sold through ClickBank, the online retailer named on its page, with a published label and a returns address. That is different from evidence that it works. We found no published trial of GlucoNite, and its blood-sugar claims are not backed by any study it names.
Does GlucoNite have side effects?
The seller says there are no reported side effects but also warns that it can cause drowsiness. Independent sources list possible problems for some of its ingredients: drowsiness from melatonin and passionflower, allergic reactions to willow bark or chamomile, and interactions with blood thinners. Ask your doctor or pharmacist first.
Can I take GlucoNite with metformin or insulin?
Only your prescriber can answer that for you. NCCIH says herbal supplements taken with diabetes medicines can cause unwanted side effects. Keep taking your prescribed medicine and ask before you add anything.
Is GlucoNite a pill?
No. The seller describes it as a powder: one scoop mixed with 6 ounces of water 30 to 60 minutes before bedtime.
The bottom line.
GlucoNite is a sleep-style blend sold with blood-sugar language. None of its ingredients has good evidence for blood-sugar control, the product itself has no published trial, and several ingredients raise real questions for people who take blood thinners, sleep medicines or diabetes medicines. If sleep is the problem you want to solve, that is worth raising with your care team directly.
Still want to see the official page? Read the current price and refund terms there before you order.
Go to the official GlucoNite site (affiliate link) Compare the other reviews
General education only. This page helps you organize learning and questions. It is not medical advice and does not recommend a treatment, diet, medicine or blood-sugar target. Personal health decisions belong with your care team. Medical and educational disclaimer
Sources and editorial notes
- GlucoNite order page, FAQ page with the Supplement Facts image, references page, returns page and terms of use (gluconite.com), read November 9, 2026.
- NCCIH, Diabetes and Dietary Supplements: What You Need To Know, Melatonin, Chamomile and Passionflower, retrieved November 9, 2026.
- NIH Office of Dietary Supplements, Vitamin K, Zinc and Chromium fact sheets, retrieved November 9, 2026.
- FDA, Milestones in U.S. Food and Drug Law (1989 tryptophan recall), Aspartame and Other Sweeteners in Food (stevia), Questions and Answers on Dietary Supplements and questions and answers on illegally sold diabetes products (signs of low blood sugar), retrieved November 9, 2026.
- PubMed: Rubio-Sastre 2014, melatonin and glucose tolerance; de Bie 2023, GABA in prediabetes; Clauson 2005, willow bark and aspirin warnings; Boullata 2003, willow bark anaphylaxis case; Ellis 2022, hibiscus and blood pressure; Bule 2020, hibiscus and glucose; Morin 2005, valerian and hops. A PubMed search for “Gluconite” on November 9, 2026 returned no results.
Nobody at Natural Diabetes Remedy has taken or tested GlucoNite; this review reports the seller’s pages and published evidence only. Not reviewed by a clinician. See how we review supplements in our Review Methodology, and our Editorial Policy and Affiliate Disclosure.
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