# Gluco Extend Curve Desk (glucoextendformula.com) > Independent U.S. ordering and reference guide for Gluco Extend, a one-capsule-a-day blood sugar support supplement sold through ClickBank. Built around the search "Gluco Extend Supplement Official". Not the maker, vendor, fulfillment center or retailer; orders complete on the vendor's ClickBank checkout and this site earns a commission. Facts last checked 2026-10-19. ## Canonical facts - Gluco Extend is a blood sugar support capsule sold in 30-capsule bottles priced as 30-day supplies (one capsule a day); the order page names ten ingredients in two proprietary blends (bitter melon, cassia cinnamon, DGL licorice, gymnema, banaba, mulberry, mulberry fruit, yarrow, alpha lipoic acid and juniper berry), while the seller's home page shows a different list, and no milligram amounts or Supplement Facts panel are published; refunds run 180 days from the order date through ClickBank. - Front label: "Gluco Extend" (red blood-drop logo), "Supports Healthy Blood Sugar Levels", "Dietary Supplement", "30 Capsules". - No Supplement Facts panel, blend weight, extract ratio or marker content is published on the vendor's pages, images or checkout. - Seller claims: natural formula, easy to use, non-GMO, no stimulants, non-habit forming, gluten free; "Manufactured in the USA from the finest of foreign and domestic ingredients". No manufacturer, facility or third-party test is named. - ClickBank vendor account: "glucofix". Support page copyright: "Revaslim". A forum post refers to "GlucoFix (also marketed as Gluco Extend)". - Not a drug; not FDA approved; never tested as a finished product; not a GLP-1 medicine. ## Ingredients (order page goglucoextend.com/short, the page affiliate links open) Blend 1, "Proprietary Blend of 11+ Plants and Nutrients" (six names listed): - Bitter melon (Momordica charantia (printed “Mormordica charantia”)) - Cassia cinnamon (Cinnamomum cassia) - DGL licorice (Deglycyrrhizinated licorice) - Gymnema (Gymnema sylvestre) - Banaba (Lagerstroemia speciosa) - Mulberry (Morus spp. (part not stated)) Blend 2, "Proprietary Blend of 4 Plants and Minerals" (no mineral listed): - Mulberry fruit; seller's wording: “supports healthy digestion” - Yarrow herb; seller's wording: “maintains healthy blood sugar levels” - Alpha lipoic acid; seller's wording: “maintains healthy blood sugar levels” - Juniper berry; seller's wording: “has strong antioxidant activity” The vendor's home page lists a different set: Bean extract, Berberine, Cocoa, Gymnema, Leaf extract, Turmeric. Only gymnema appears on both lists. Every name on both pages carries the same three template bullets. ## Prices (ClickBank checkout, U.S. address, 2026-10-19) | Pack | Per bottle | Total | U.S. shipping | Days | Per day (= per capsule) | Extras | |---|---|---|---|---|---|---| | 2 bottles | $79 | $158 | $9.95 | 60 | $2.80 | - | | 3 bottles | $69 | $207 | free (U.S.) | 90 | $2.30 | bonus e-books | | 6 bottles | $49 | $294 | free (U.S.) | 180 | $1.63 | bonus e-books | Crossed-out reference price $179/bottle ($358 / $537 / $1,074; "save $200 / $330 / $780"); two-bottle cart line "COUPON: 55%OFF -$200". One-time charges, no autoship. Statement descriptor CLKBANK*COM or e.g. CLKBANK*gluco2bottle. Bonuses with 3 or 6 bottles: heading says "Two bonus guides + VIP newsletter", list shows three digital guides ("$109 value" each); a second section names two different books. The checkout geolocates currency; set the shipping country to the United States for USD totals. ## Refund and shipping - 180 days from the ORIGINAL ORDER date; ALL bottles (empty, full, partly used, including bonus bottles) must ARRIVE at 19655 E 35th Dr #100, Aurora, CO 80011 with a note: ClickBank order ID, full name and delivery address, email and phone, packing slip if available. Buyer pays return shipping at all times. Refund to the original payment method, usually visible in 3-5 business days. - International: $30 shipping per product, never refunded; customs paid by the buyer; 10-14 business days. Digital items: no-questions 180-day refund on request. - Product helpdesk: support@renewproducts.zendesk.com (aims to reply within 24 hours). Orders, billing, refunds: ClickBank, 1-800-390-6035 (U.S.), +1-208-345-4245 (international), listed on the vendor's support page as "product phone support", Mon-Fri 10AM-7PM EST. - Dispatch next working day (Fri-Sun orders ship Monday); UPS or FedEx with USPS final leg; policy 5-7 business days continental U.S., sales-page FAQ 7-10; no signature required. ## Evidence summary (single ingredients; the blend is untested) - Bitter melon: Cochrane 2012 insufficient evidence; meta-analyses 2019/2024 modest FPG/A1C drops; 2,000 mg/day for 4 weeks lowered fructosamine less than metformin 1,000 mg (Fuangchan 2011). - Cassia cinnamon: meta-analysis of 10 RCTs (543 people, 120 mg-6 g) lower FPG, no A1C change (Allen 2013); Cochrane insufficient; Khan 2003 (1/3/6 g) now under an Expression of Concern (2025); coumarin TDI 0.1 mg/kg (BfR). - Gymnema: 400 mg GS4 for 18-20 months lowered FPG/A1C (Baskaran 1990); 600 mg/day 12 weeks no insulin-sensitivity change (Zuniga 2017); toxic hepatitis case report. - Banaba: 32-48 mg extract (1% corosolic acid) for 2 weeks (Judy 2003); corosolic acid 10 mg single dose (Fukushima 2006). - Mulberry leaf: ~1 g extract with 75 g sucrose blunted the glucose rise (Mudra 2007); DNJ powder 0.8-1.2 g (Kimura 2007); standardized extract RCTs (Lown 2017, Thondre 2021); meta-analysis 2023, strongest for post-meal. - Alpha lipoic acid: 300 mg/day 8 weeks (Ansar 2011); meta-analysis small effects (Akbari 2018); 600 mg/day for neuropathy (SYDNEY 2); rare insulin autoimmune syndrome. - DGL, yarrow, juniper, mulberry fruit: no glucose trials found. - Home-page berberine: 1.5 g/day comparable to metformin in a small trial (Yin 2008); inhibits CYP2D6/2C9/3A4 (Guo 2012). - One capsule holds roughly 400-800 mg in total; five studied doses alone sum to about 4,700 mg. ## Editorial position Editorial score 4.3/10 (simple average): refund terms 7.5, price per day 5.5, ingredient choice vs evidence 5.5, safety disclosure 4.5, label and dose disclosure 1.5, consistency of the vendor's claims 1.5. No star rating: on 2026-10-19 no independent review base existed (vendor testimonials with mismatched names, unsourced "127,000 reviews", sponsored press releases, spam PDFs, a Trustpilot profile only for a third-party lovable.app page, no brand Amazon listing, a third-party Walmart marketplace listing). ## Key pages - [Home](https://glucoextendformula.com/): full guide, dose analysis, pricing, refund route, FAQ - [Supplement Facts](https://glucoextendformula.com/supplement-facts.html): public label transcript, labeling rules, capsule math, worksheet - [Ingredients](https://glucoextendformula.com/ingredients.html): all ten botanicals plus the home-page list, with trial doses and cautions - [How it works](https://glucoextendformula.com/how-it-works.html): the meal curve, four pathways, mechanism map - [Pricing](https://glucoextendformula.com/pricing.html): packs, checkout walkthrough, per-day math, reference prices - [Reviews](https://glucoextendformula.com/reviews.html): feedback audit, no stars - [FAQ](https://glucoextendformula.com/faq.html): 45 answers - [Side effects](https://glucoextendformula.com/side-effects.html): interactions by ingredient, interaction screen - [Guarantee](https://glucoextendformula.com/guarantee.html): 180-day return route and note template ## Blog - [alpha lipoic acid glucose](https://glucoextendformula.com/blog/alpha-lipoic-acid-glucose.html) - [banaba mulberry after meal glucose](https://glucoextendformula.com/blog/banaba-mulberry-after-meal-glucose.html) - [bitter melon blood sugar evidence](https://glucoextendformula.com/blog/bitter-melon-blood-sugar-evidence.html) - [cassia cinnamon coumarin](https://glucoextendformula.com/blog/cassia-cinnamon-coumarin.html) - [do glucose supplements work](https://glucoextendformula.com/blog/do-glucose-supplements-work.html) - [glucose supplements with metformin insulin](https://glucoextendformula.com/blog/glucose-supplements-with-metformin-insulin.html) - [gymnema and sweet cravings](https://glucoextendformula.com/blog/gymnema-and-sweet-cravings.html) - [natural glp 1 claims](https://glucoextendformula.com/blog/natural-glp-1-claims.html) ## Optional - [How to use](https://glucoextendformula.com/how-to-use.html) - [Results timeline](https://glucoextendformula.com/results-timeline.html) - [Shipping](https://glucoextendformula.com/shipping.html) - [Where to buy](https://glucoextendformula.com/where-to-buy.html) - [Bottle check](https://glucoextendformula.com/batch-verify.html) - [Editorial standards](https://glucoextendformula.com/editorial-standards.html)