Frequently Asked Questions

We offer a combination of our own private-label formulations and a curated selection of high-quality third-party brands. Each product is chosen based on clinical relevance, safety, and alignment with longevity-focused health outcomes.

Yes. Whether it's our in-house formulations or products from other trusted brands, everything we carry is selected based on strong scientific rationale or supporting clinical studies.

Our private-label supplements are developed by the Gladden Longevity clinical team, composed of experts in longevity and functional medicine. For third-party products, we partner only with manufacturers who uphold rigorous formulation standards.

Many are, but as with any supplement, we recommend consulting your healthcare provider especially if you’re currently taking medications or managing a specific condition.

All products—whether ours or from a trusted partner brand—are reviewed for quality, safety, and efficacy. Most are produced in GMP-certified facilities and are tested for purity and potency.

We offer both Gladden Longevity–formulated products and trusted third-party brands. Each product page provides detailed descriptions, benefits, and ingredient breakdowns to help guide your decision. If you’re unsure, contact us and our team can help.

Yes, many of our products—whether from our own line or a partner brand—are designed to work together to support your health goals. Still, we recommend checking labels and consulting a healthcare provider to avoid potential overlap.

It depends on the product. Some supplements (like fat-soluble vitamins) are better absorbed with food, while others may be taken on an empty stomach. Usage instructions are included on each product page and label—always refer to those first.

Yes. Whether you’re browsing our own formulations or third-party brands, our team can offer guidance based on your goals. We also offer personalized protocols through Gladden Longevity for a deeper assessment.

Yes, we’ve organized our shop into collections (such as Brain Health, Energy, Detox, etc.) to help you find targeted options. These collections include a mix of our own products and carefully selected third-party items.

Dosages vary by product. Every item includes a recommended usage guide on the label and product page. Please follow those instructions unless advised otherwise by a healthcare provider.

It depends on the product and your personal health factors. Some customers notice effects within days, while others may see results over several weeks. Consistency is key with most longevity-based formulations.

Store in a cool, dry place away from direct sunlight. Some products, especially probiotics or liquids, may require refrigeration—check each product label for specific storage instructions.

Yes, we offer free standard shipping on all U.S. orders over $49.

Yes, expedited options are available at checkout. Costs vary depending on location and delivery speed.

Once your order ships, you’ll receive an email with a tracking link. You can also track it through your account dashboard.

Yes, we ship internationally! Shipping times and costs may vary based on your location. You can check shipping options and fees at checkout or contact our support team for more information.

We appreciate your understanding that, in order to maintain the quality and integrity of our products/services, we do not offer return options at this time. Please feel free to reach out to our customer support team if you have any concerns or questions.

Gladden Longevity 200 O Connor Ridge Blvd, Irving, TX 75038

Our Customer Support Team is here to help! You can reach us at store@gladdenlongevity.com, and we’ll be happy to answer any additional questions you may have.