Official Site · Extra Strength CM8™ Formula
Flexcin is built around CM8™ (cetyl myristoleate) — our signature ingredient — to help maintain healthy joint mobility as part of your everyday routine.
Choose your supply
Our highest-concentration CM8™ formula. Each bottle is 120 capsules — a 30-day supply at the label serving of 4 capsules a day. The 3-bottle supply ships free in the continental US and is covered by our 90-day money-back guarantee.
3-Month Supply
3 Bottles
90-day supply — matches the guarantee window
$36.65 per bottle
Buy 2, Get 1 Free — save $45 Get 3 Bottles — $109.95Try It
1 Bottle
30-day supply · not covered by the 90-day guarantee
$59.95 per bottle
Get 1 Bottle — $59.95Prices in USD. Buy 2, Get 1 Free and free continental-US shipping apply to the 3-bottle Extra Strength supply; the discount is applied automatically at checkout. The 90-day money-back guarantee covers your first order of the 3-bottle (90-day) supply and refunds the purchase price; original shipping, where charged, is not refunded. See the refund policy for full terms. Flexcin is a dietary supplement — follow the directions on the label.
What Flexcin is for
Flexcin is a dietary supplement taken daily. It's formulated to support normal joint function — not to treat any condition.
Made to support day-to-day comfort in active joints as part of a consistent routine.
Formulated to help maintain healthy range of motion so you can keep doing what you enjoy.
A simple addition to your morning routine, built to be taken consistently over time.
The signature ingredient
CM8™ is Flexcin's own form of cetyl myristoleate — the ingredient the formula has been built around since the brand began. It's the reason customers come back to Flexcin specifically rather than a generic joint supplement.
Alongside CM8™, every capsule includes glucosamine, MSM, and collagen — familiar joint-support ingredients in one daily formula.
In their words
Real, verified customer experiences — shown exactly as submitted. Individual results are not guaranteed and vary from person to person.
“I’m a senior golf pro, and I’ve used Flexcin for 20 years to keep mobile. When I stop, I get stiff in the joints.”
“I’ve seen real improvement in joint comfort and flexibility. It’s not a quick fix, but with consistent use it works well for long-term joint support.”
“I’ve been taking Flexcin once a day for at least 15 years.”
“I lift weights six days a week and do jiu-jitsu. This is the glucosamine that’s helped me the most — after a few weeks I’ve been handling the stress on my joints much better.”
Testimonials reflect individual experiences. Results are not guaranteed, may not be typical, and vary from person to person.
Order the 3-bottle supply and give it an honest run. If Flexcin isn't right for you, return the empty bottles within 90 days of purchase for a refund of the purchase price — no complicated hoops. We'd rather earn a long-term customer than make a one-time sale.
Applies to your first order of the 3-bottle supply. Orders that shipped free are refunded in full; where shipping was charged, the original shipping cost is not refunded.
Good to know
Flexcin is a daily dietary supplement made with CM8™ (cetyl myristoleate), formulated to support joint comfort and flexibility as part of a regular routine.
CM8™ is Flexcin's own form of cetyl myristoleate — the signature ingredient the formula is built around. CM8™ is a trademark of Aurum Health LLC.
Extra Strength is Flexcin’s highest-concentration formula — the same ingredients as our daily formula with more CM8™ per serving. It’s the option most new customers start with.
Take 4 capsules daily with water and/or a meal, or 2 in the morning and 2 in the evening. Flexcin is intended to be taken daily and consistently — most long-term customers make it part of their morning routine.
Flexcin is designed for consistent daily use over time rather than as a quick fix. That's why the 3-bottle supply is the one we guarantee for 90 days — you can give it a full run and still be covered.
The 90-day money-back guarantee applies to the 3-bottle (90-day) supply. If you're not satisfied, return it within 90 days of purchase for a refund. Single bottles are not covered. See full details in our refund policy.
Yes. As with any dietary supplement, talk to your healthcare provider before starting, especially if you are pregnant, nursing, taking medication, or managing a health condition.
Buy 2, Get 1 Free on the 3-bottle supply — free shipping in the continental US and a 90-day money-back guarantee.
Choose your supplyThe fine print
90-Day Money-Back Guarantee
Our guarantee applies to your first order of the Flexcin 3-bottle (90-day) supply. Single bottles and subsequent orders are not covered.
If you're not satisfied for any reason, contact us within 90 days of your purchase date and return the empty bottles for a full refund of the purchase price. Orders that shipped free are refunded in full; where shipping was charged, the original shipping cost is not refunded.
To start a return, email customercare@flexcin.com or call (800) 505-0575 with your order number. Refunds are issued to the original payment method within 5–7 business days of receiving your return.
Processing Time
Orders are typically processed within 1–2 business days after payment is received.
Orders placed on weekends or holidays will be processed the next business day.
Shipping Methods & Delivery Times
Standard Shipping (U.S.): 3–7 business days
Expedited Shipping (U.S.): 2–3 business days
International Shipping: Delivery times vary by destination and customs processing. Most orders arrive within 7–21 business days.
Shipping Rates
Rates are calculated at checkout based on order weight, size, and destination.
Free shipping promotions (when offered) will automatically apply at checkout.
International Orders
We ship worldwide, with the exception of countries that restrict certain supplement ingredients (e.g., Australia due to Cetyl Myristoleate restrictions).
Customers are responsible for any customs duties, taxes, or import fees charged by their country.
Order Tracking
Once your order ships, you will receive a confirmation email with tracking information.
Tracking updates may take up to 24 hours to appear.
Address Accuracy
Please ensure your shipping address is correct at checkout. Flexcin is not responsible for delays or lost shipments due to incorrect or incomplete addresses.
Lost or Damaged Packages
If your package is lost or arrives damaged, please contact our Customer Care team at 800-505-0575 or customercare@flexcin.com within 7 days of delivery. We’ll work quickly to resolve the issue.
Questions?
If you have any questions about your order or shipping, please reach out to our Customer Care team — we’re happy to help.
Last updated: July 8, 2026
This Privacy Policy describes how Flexcin International, Inc. (the "Site", "we", "us", or "our") collects, uses, and discloses your personal information when you visit, use our services, or make a purchase from flexcin.com (the "Site") or otherwise communicate with us regarding the Site (collectively, the "Services"). For purposes of this Privacy Policy, "you" and "your" means you as the user of the Services, whether you are a customer, website visitor, or another individual whose information we have collected pursuant to this Privacy Policy.
Please read this Privacy Policy carefully.
We may update this Privacy Policy from time to time, including to reflect changes to our practices or for other operational, legal, or regulatory reasons. We will post the revised Privacy Policy on the Site, update the "Last updated" date and take any other steps required by applicable law.
To provide the Services, we collect and have collected over the past 12 months personal information about you from a variety of sources, as set out below. The information that we collect and use varies depending on how you interact with us.
In addition to the specific uses set out below, we may use information we collect about you to communicate with you, provide or improve or improve the Services, comply with any applicable legal obligations, enforce any applicable terms of service, and to protect or defend the Services, our rights, and the rights of our users or others.
The types of personal information we obtain about you depends on how you interact with our Site and use our Services. When we use the term "personal information", we are referring to information that identifies, relates to, describes or can be associated with you. The following sections describe the categories and specific types of personal information we collect.
Information that you directly submit to us through our Services may include:
Some features of the Services may require you to directly provide us with certain information about yourself. You may elect not to provide this information, but doing so may prevent you from using or accessing these features.
We may also automatically collect certain information about your interaction with the Services ("Usage Data"). To do this, we may use cookies, pixels and similar technologies ("Cookies"). Usage Data may include information about how you access and use our Site and your account, including device information, browser information, information about your network connection, your IP address and other information regarding your interaction with the Services.
Finally, we may obtain information about you from third parties, including from vendors and service providers who may collect information on our behalf, such as:
Any information we obtain from third parties will be treated in accordance with this Privacy Policy. Also see the section below, Third Party Websites and Links.
Like many websites, we use Cookies on our Site. For specific information about the Cookies that we use related to powering our store with Shopify, see https://www.shopify.com/legal/cookies. We use Cookies to power and improve our Site and our Services (including to remember your actions and preferences), to run analytics and better understand user interaction with the Services (in our legitimate interests to administer, improve and optimize the Services). We may also permit third parties and services providers to use Cookies on our Site to better tailor the services, products and advertising on our Site and other websites.
Most browsers automatically accept Cookies by default, but you can choose to set your browser to remove or reject Cookies through your browser controls. Please keep in mind that removing or blocking Cookies can negatively impact your user experience and may cause some of the Services, including certain features and general functionality, to work incorrectly or no longer be available. Additionally, blocking Cookies may not completely prevent how we share information with third parties such as our advertising partners.
Our website also recognizes the Global Privacy Control (GPC) signal, which enables you to opt-out of certain uses or disclosures of your information. If you notify us of your preference through GPC, we will treat such signal as a valid request to opt out of sharing / targeted advertising for the associated browser or device, and, if we are able to associate the device sending the signal to a Shopify account, we will apply the opt out request to the account as well. To learn more about Global Privacy Control, you can visit https://globalprivacycontrol.org/. Other than the Global Privacy Control, we do not recognize other “Do Not Track” signals that may be sent from your web browser or device.
In certain circumstances, we may disclose your personal information to third parties for contract fulfillment purposes, legitimate purposes and other reasons subject to this Privacy Policy. Such circumstances may include:
We have in the past 12 months disclosed the following categories of personal information and sensitive personal information about users for the purposes set out above in "How we Collect and Use your Personal Information" and "How we Disclose Personal Information":
| Category | Categories of Recipients |
|---|---|
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We do not use or disclose sensitive personal information without your consent or for the purposes of inferring characteristics about you.
With your consent we share personal information for the purpose of engaging in advertising and marketing activities, as follows.
We have “sold” and “shared” (as those terms are defined in applicable law) personal information over the preceding 12 months for the purpose of engaging in advertising and marketing activities, as follows.
| Category of Personal Information | Categories of Recipients |
|---|---|
| Identifiers such as name, e-mail address and phone number | Business and marketing partners |
| Commercial information such as records of products or services purchased | Business and marketing partners |
| Usage Data | Business and marketing partners |
Our Site may provide links to websites or other online platforms operated by third parties. If you follow links to sites not affiliated or controlled by us, you should review their privacy and security policies and other terms and conditions. We do not guarantee and are not responsible for the privacy or security of such sites, including the accuracy, completeness, or reliability of information found on these sites. Information you provide on public or semi-public venues, including information you share on third-party social networking platforms may also be viewable by other users of the Services and/or users of those third-party platforms without limitation as to its use by us or by a third party. Our inclusion of such links does not, by itself, imply any endorsement of the content on such platforms or of their owners or operators, except as disclosed on the Services.
The Services are not intended to be used by children, and we do not knowingly collect any personal information about children. If you are the parent or guardian of a child who has provided us with their personal information, you may contact us using the contact details set out below to request that it be deleted.
As of the Effective Date of this Privacy Policy, we do not have actual knowledge that we “share” or “sell” (as those terms are defined in applicable law) personal information of individuals under 16 years of age.
Please be aware that no security measures are perfect or impenetrable, and we cannot guarantee “perfect security.” In addition, any information you send to us may not be secure while in transit. We recommend that you do not use insecure channels to communicate sensitive or confidential information to us.
How long we retain your personal information depends on different factors, such as whether we need the information to maintain your account, to provide the Services, comply with legal obligations, resolve disputes or enforce other applicable contracts and policies.
Depending on where you live, you may have some or all of the rights listed below in relation to your personal information. However, these rights are not absolute, may apply only in certain circumstances and, in certain cases, we may decline your request as permitted by law.
You may exercise any of these rights where indicated on our Site or by contacting us using the contact details provided below.
We will not discriminate against you for exercising any of these rights. We may need to collect information from you to verify your identity, such as your email address or account information, before providing a substantive response to the request. In accordance with applicable laws, you may designate an authorized agent to make requests on your behalf to exercise your rights. Before accepting such a request from an agent, we will require that the agent provide proof you have authorized them to act on your behalf, and we may need you to verify your identity directly with us. We will respond to your request in a timely manner as required under applicable law.
If you have complaints about how we process your personal information, please contact us using the contact details provided below. If you are not satisfied with our response to your complaint, depending on where you live you may have the right to appeal our decision by contacting us using the contact details set out below, or lodge your complaint with your local data protection authority. For the EEA, you can find a list of the responsible data protection supervisory authorities here.
Please note that we may transfer, store and process your personal information outside the country you live in. Your personal information is also processed by staff and third party service providers and partners in these countries.
If we transfer your personal information out of Europe, we will rely on recognized transfer mechanisms like the European Commission's Standard Contractual Clauses, or any equivalent contracts issued by the relevant competent authority of the UK, as relevant, unless the data transfer is to a country that has been determined to provide an adequate level of protection.
Should you have any questions about our privacy practices or this Privacy Policy, or if you would like to exercise any of the rights available to you, please call or email us at admin@flexcin.com or contact us at Flexcin International, Inc., 1030 Southeast 9th Avenue, # 152605, Cape Coral FL 33915, United States.
For the purpose of applicable data protection laws and if not explicitly stated otherwise, we are the data controller of your personal information.
ATTENTION: PLEASE READ THESE TERMS AND CONDITIONS OF USE CAREFULLY BEFORE USING THIS WEBSITE. USING THIS WEBSITE INDICATES THAT YOU ACCEPT THESE TERMS AND CONDITIONS OF USE. IF YOU DO NOT ACCEPT THESE TERMS AND CONDITIONS OF USE, PLEASE DO NOT USE THIS WEBSITE.
Flexcin International, Inc. reserves the right, at its discretion, to change, modify, add, or remove portions of these Terms and Conditions of Use at any time by updating this posting. Please check these terms periodically for changes. Your continued use of the website following the posting of changes to these terms will mean you accept those changes and they apply to you. These Terms and Conditions of Use apply to every website maintained by Flexcin International, Inc.
Flexcin International, Inc. maintains this website and its content for your personal information, entertainment and education. You may view and download material displayed on the website for your personal, non-commercial use only, provided you retain all copyright, trademark and other proprietary notices contained within the material. Except as specifically provided, you may not distribute, retransmit, re-publish, reuse, re-post, or use the contents of this website for public or commercial purposes, without Flexcin’s prior written permission. You may not alter or interfere with the content or functioning of the website, or “mirror” any content contained on this website or any other server. The materials at this website are copyrighted and any unauthorized use may violate copyright laws, trademark laws, the laws of privacy and publicity, and communications regulations and statutes. If you breach any of these Terms or Conditions of Use, your right to use this website will terminate automatically. Upon termination, you must destroy all materials obtained from this site and all copies thereof, whether made in accordance with these terms or otherwise.
Flexcin welcomes your comments. However, please do not send Flexcin any creative ideas, original materials, or suggestions other than those we have specifically requested. Any communication or material you transmit to Flexcin or post to the website by electronic mail or otherwise, including any personal data, questions or answers, comments, suggestions, or the like (collectively, the “Submissions”), will be deemed, and shall remain, the property of Flexcin International, Inc. The Submissions shall be treated as non-confidential, and may be disseminated or used by Flexcin or its affiliates for any purpose including, but not limited to, developing, manufacturing or marketing products. Anything you transmit or post may be used by Flexcin or its affiliates for any purpose, including but not limited to product or service solicitations, reproduction, disclosure, transmission publication, and broadcast. You may not post or transmit to or from the website any unlawful, threatening, libelous, defamatory, obscene, scandalous, inflammatory, pornographic, or profane material, or any other material that could give rise to any civil or criminal liability under the law.
Flexcin does not warrant or represent that the content of the website is accurate, or that the website’s operation will be error free or uninterrupted, or that it will be free of viruses or other harmful components. You use the website at your own risk. Flexcin does not warrant that your use of materials displayed on this website will not infringe rights of third parties not owned or affiliated with Flexcin. Information published at this website may refer to products, programs or services that are not available in your country. Without limiting the foregoing, the website is provided “AS IS” without warranty of any kind, either express or implied, including, but not limited to, the implied warranties of merchantability, fitness for a particular purpose, or non-infringement. Some jurisdictions may not allow exclusion of implied warranties, so some of the above exclusions may not apply to you.
Neither Flexcin or any third party involved in creating and/or delivering the website will be liable under any theory (including negligence) for any incidental, consequential, indirect, special, or punitive damages arising out of your access to or use of the website, even if Flexcin has been advised of the possibility of such damages.
The copyright in all content provided on this website is held by Flexcin or by the original creator of the content. Except as provided in these Terms and Conditions of Use, such content may not be reproduced, distributed, republished, downloaded, displayed, posted, or transmitted in any form or by any means, including, but not limited to, electronic, mechanical, photocopying, recording, or otherwise, without the written permission of Flexcin or the copyright owner.
The trademarks, service marks, and logos (“Trademarks”) used and displayed on this website are registered and unregistered Trademarks of Flexcin and others. Nothing on this website should be construed as granting, by implication, estoppel, or otherwise, any license or right to use any Trademark displayed on this website, without the written permission of the Trademark owner. Flexcin aggressively enforces its intellectual property rights to the fullest extent of the law.
Flexcin controls and operates this website from its headquarters in Fort Myers, Florida, United States of America and makes no representations that these materials are appropriate for use in other locations. If you use this website from other locations you are responsible for compliance with applicable local laws. These Terms and Conditions of Use will be governed by the laws of the State of Florida, as applied to contracts entered into between Florida residents and performed in Florida. Any dispute arising out of these Terms and Conditions of Use or your use of the website will be heard only in the state or federal court located in Fort Myers, Florida, USA, and you hereby consent and submits to the personal jurisdiction of such courts. If any provision of these Terms and Conditions of Use is held to be unlawful, void or for any reason unenforceable, that provision will be deemed severable and will not affect the validity and enforceability of the remaining provisions. These Terms and Conditions of Use may not be amended except as provided above. Note: If you are an owner of intellectual property who believes your intellectual property has been improperly posted or distributed via this website, please notify Flexcin International, Inc. immediately at the following address: Attention Legal Department, 2659 NE 9th Ave, Cape Coral FL 33909
The website may from time to time display links to other websites or resources sponsored by third parties as a convenience to you. Flexcin is not responsible or liable for, and does not endorse, the content or operation of such third-party websites, including but not limited to the advertising, products or other materials on or available from such websites or resources. Various third-party websites may provide links to this website. Flexcin has not reviewed any or all of the third-party websites linked to this website. Flexcin is not responsible for the content of any off-site pages or any other websites linked to this website. Llinking to this website, off site pages or other websites is at your own risk. Note: Anyone linking to Flexcin’s website must comply with the Guidelines for Linking to the Flexcin Website and all applicable laws.