Terms & Conditions

These Terms & Conditions (the “Terms”) form a binding agreement between you and Gainsplain (“Gainsplain,” “we,” “us,” or “our”), a company organized under the laws of the Commonwealth of Virginia, United States. By creating an account, accessing, or using the Gainsplain website and chat service (collectively, the “Service”), you agree to be bound by these Terms and by our Privacy Policy, which is incorporated here by reference.

If you do not agree to these Terms, do not use the Service. If you are using the Service on behalf of an organization, you represent that you have authority to bind that organization to these Terms.

You must be at least 18 years of age to create an account or use the Service. The Service is not directed to, and may not be used by, anyone under 18. By using the Service you represent and warrant that you are 18 or older, that the registration information you provide is accurate, and that your use of the Service does not violate any applicable law.

We may require verification of a unique, carrier-registered mobile phone number as a condition of access. Virtual, VoIP, and non-carrier numbers may be rejected.

Gainsplain is an AI-powered chat assistant that answers fitness, training, nutrition, and related questions by retrieving and citing peer-reviewed scientific literature. Responses are generated by large language models and may include numbered citations to source material along with an evidence-quality indicator.

The Service is provided for general informational and educational purposes only. We do not guarantee that any response is complete, current, accurate, applicable to your circumstances, or free of error. Citations, evidence labels, and retrieved sources are aids to understanding, not professional recommendations. We may modify, suspend, or discontinue any part of the Service at any time without liability.

Always seek the advice of your physician or another qualified health provider before beginning, changing, or stopping any exercise program, diet, supplement, or training protocol, and with any questions you may have regarding a medical condition or symptom. Never disregard professional medical advice or delay seeking it because of something you read on the Service. If you think you may have a medical emergency, call your doctor or emergency services immediately.

The Service does not create a doctor-patient, trainer-client, or any other professional relationship between you and Gainsplain. Reliance on any information provided by the Service is solely at your own risk.

Responses are produced by automated systems and retrieval pipelines. AI systems can be wrong. They may misinterpret a question, misstate a finding, generate plausible-sounding but incorrect information, mischaracterize or omit citations, or retrieve sources that do not actually support a claim. Evidence-quality labels and “no studies retrieved” notices are heuristic signals, not warranties.

You are responsible for independently evaluating and verifying any information before relying on it, including by consulting the cited primary sources and a qualified professional. You assume all risk arising from your use of, or reliance on, any output of the Service. We make no warranty that outputs are accurate, reliable, or fit for any purpose.

You acknowledge that you are voluntarily participating in any physical activity, nutrition strategy, or supplementation regimen that you may pursue, and that you do so at your own risk. You are solely responsible for determining whether any activity is appropriate and safe for you given your health, fitness level, and medical history. To the fullest extent permitted by law, you release and hold harmless Gainsplain from any and all claims, damages, or injuries arising from your physical activities or dietary choices, whether or not informed by the Service.

You must provide accurate information when registering and keep it current. You are responsible for safeguarding your credentials and for all activity that occurs under your account. You agree to notify us promptly of any unauthorized use. You may not create more than one account, share an account, or create an account using another person’s identity, phone number, or payment method.

We may suspend or terminate accounts that we reasonably believe are fraudulent, abusive, created to circumvent free-tier limits, or otherwise in violation of these Terms.

You agree that you will not, and will not attempt to:

• Use the Service for any unlawful purpose or in violation of any applicable law or regulation;
• Solicit or use the Service to obtain guidance on anabolic steroids, SARMs, or other banned or controlled substances in a manner intended to facilitate their acquisition or non-prescribed use, or to facilitate disordered-eating behavior or other self-harm;
• Attempt to override, manipulate, or extract the Service’s system instructions, or use prompt injection or similar techniques to make it behave outside its intended scope;
• Reverse engineer, scrape, harvest, or systematically extract the research corpus, outputs, or any underlying data, or use the Service to build or train a competing product or model;
• Access the Service through automated means, circumvent usage quotas, rate limits, authentication, or anti-abuse measures, or interfere with the integrity or performance of the Service;
• Resell, sublicense, or commercially exploit the Service or its outputs without our prior written consent;
• Upload or transmit malware, or use the Service to infringe the rights of, harass, or harm any person.

Gainsplain offers a free tier with a one-time lifetime allocation of queries and paid subscription plans billed on either a monthly or annual basis, at your election. Plan features and query allocations are described on our pricing page and may change over time.

• Auto-renewal. Paid plans are recurring subscriptions that automatically renew at the end of each billing period until cancelled — monthly plans renew once per month, and annual plans renew once per year, in each case on the anniversary of your first purchase. By subscribing, you authorize us and our payment processor to charge your payment method, for the then-current price of your plan and billing period, on each renewal date.
• Payment processing. Payments are processed by Stripe. We do not store full payment-card details. Your use of payment features is also subject to Stripe’s terms.
• Quotas. Query allocations are consumed per message and do not roll over between billing periods. Unused queries expire. Free-tier allocations are lifetime and do not replenish.
• Changes. Upgrades take effect immediately and may be prorated; downgrades, cancellations, and switches between monthly and annual billing take effect at the end of the current billing period, and you retain access until then.
• Failed payments. If a renewal payment fails, we may provide a short grace period before downgrading your account to the free tier.
• Refunds. Except where required by law, all fees are non-refundable and there are no refunds or credits for partially used periods, unused queries, or unused subscription time. We may offer refunds at our sole discretion.
• Price changes. We may change subscription prices on a going-forward basis with reasonable notice; changes take effect at your next renewal.

You can manage, change, or cancel your subscription at any time through the billing portal accessible from your account.

You retain ownership of the questions, messages, and other content you submit to the Service (“User Content”). You grant us a worldwide, non-exclusive, royalty-free license to host, process, transmit, and use your User Content as necessary to operate, secure, and improve the Service, including by sending it to our AI and infrastructure providers to generate responses.

We do not use your User Content to train third-party foundation models. You are responsible for your User Content and represent that you have the right to submit it and that it does not violate any law or these Terms.

The Service, including its software, design, branding, text, the curated research corpus, and all related intellectual property, is owned by Gainsplain or its licensors and is protected by intellectual-property laws. Subject to these Terms, we grant you a limited, revocable, non-exclusive, non-transferable license to use the Service for your personal, non-commercial use.

Cited research papers and their abstracts remain the property of their respective authors and publishers. Gainsplain does not claim ownership of underlying third-party academic works and provides citations for reference and attribution. The “Gainsplain” name and logo are our trademarks and may not be used without permission.

The Service relies on third-party providers (for example, for AI inference, hosting, authentication, payments, and phone verification) and may surface links to external sources such as DOI and PubMed pages. We are not responsible for the content, accuracy, availability, or practices of any third-party website or service. Your use of third-party services is governed by their own terms.

The Service is provided “as is” and “as available,” without warranties of any kind, whether express, implied, or statutory. To the fullest extent permitted by law, we disclaim all warranties, including implied warranties of merchantability, fitness for a particular purpose, title, accuracy, and non-infringement. We do not warrant that the Service will be uninterrupted, secure, or error-free, that defects will be corrected, or that any output, citation, or evidence label is accurate, complete, current, or reliable. No advice or information obtained from the Service creates any warranty not expressly stated in these Terms.

To the fullest extent permitted by law, Gainsplain and its officers, directors, employees, and suppliers will not be liable for any indirect, incidental, special, consequential, exemplary, or punitive damages, or for any loss of profits, data, goodwill, or for any personal injury, illness, or death, arising out of or relating to your use of, or inability to use, the Service or any output of the Service, whether based on warranty, contract, tort (including negligence), strict liability, or any other legal theory, even if we have been advised of the possibility of such damages.

Our total aggregate liability for all claims relating to the Service will not exceed the greater of (a) the total amount you paid us in the twelve (12) months immediately preceding the event giving rise to the claim, or (b) one hundred U.S. dollars ($100).

Some jurisdictions do not allow the exclusion or limitation of certain damages, so some of the above may not apply to you. In such cases, our liability is limited to the maximum extent permitted by law.

You agree to defend, indemnify, and hold harmless Gainsplain and its officers, directors, employees, and agents from and against any claims, liabilities, damages, losses, and expenses (including reasonable legal fees) arising out of or in any way connected with: (a) your use of the Service; (b) your User Content; (c) your violation of these Terms or any applicable law; (d) your physical activity, dietary, or supplementation decisions; or (e) your violation of any third-party right.

You may stop using the Service and delete your account at any time through your profile settings. Account deletion is irreversible and permanently removes your conversations and profile, and cancels any active subscription as described in our Privacy Policy.

We may suspend or terminate your access at any time, with or without notice, if we believe you have violated these Terms, to protect the Service or other users, or as required by law. Sections that by their nature should survive termination — including ownership, disclaimers, limitation of liability, indemnification, and dispute resolution — will survive.

These Terms are governed by the laws of the Commonwealth of Virginia, United States, without regard to its conflict-of-laws rules.

Before initiating arbitration, you agree to first contact us and attempt to resolve the dispute informally for at least 30 days. Arbitration will be conducted on an individual basis. If the class-action waiver is found unenforceable, the entirety of this dispute-resolution section will be null and void. To the extent any dispute proceeds in court, you and Gainsplain consent to the exclusive jurisdiction and venue of the state and federal courts located in Virginia.

We may update these Terms from time to time. When we make material changes, we will update the “Last updated” date above and, where appropriate, provide additional notice. Your continued use of the Service after changes take effect constitutes acceptance of the revised Terms. If you do not agree, you must stop using the Service.

Questions about these Terms can be directed to us at support@gainsplain.com.