Business Details
48 Years
experience
Premium Sustained-Release Nutritional Supplements
Endurance Products Company has been a trusted leader in the dietary supplement industry since 1978, delivering research-backed nutritional solutions rooted in scientific innovation. Founded by biochemist Terry Hammerschmidt, our family-owned business pioneered sustained-release technology that mimics the body's natural nutrient absorption process. Over four decades, we've collaborated with prestigious institutions like Harvard and Oregon Health & Science University to advance our wax matrix delivery system, which has been validated through 23+ peer-reviewed studies. Our commitment to quality is evident in every vegetarian, gluten-free, and preservative-free product we manufacture, ensuring optimal bioavailability without compromising purity.With a legacy of treating customers like family, we continue to develop formulations that address diverse health needs - from cardiovascular support to cognitive function - while maintaining rigorous quality control standards. Our partnerships with medical professionals and direct-to-consumer subscription model reflect our dedication to making cutting-edge nutrition accessible to athletes, healthcare practitioners, and everyday wellness seekers alike.
Services
Sustained-Release Supplements
Subscription Service
Health Research Resources
Wholesale Program
Customer Support
Details
- Year established: 1978
Highlights and features
- We've specialized in sustained-release supplement technology since 1978
- Our formulas are backed by clinical research from Harvard and other leading institutions
- We offer vegetarian, gluten-free, and preservative-free formulations
- Our wax matrix technology provides steady nutrient release for better absorption
- We maintain direct partnerships with medical professionals for clinical validation
What people say
High-quality ingredients
Game-changer for patients
No stomach issues
Life changer
Customer-approved formulas
Services
Sustained-Release Supplements
Our sustained-release supplements use patented wax matrix technology to deliver nutrients gradually over several hours. This mimics natural digestion processes while improving bioavailability, reducing gastrointestinal discomfort, and maintaining consistent nutrient levels. Formulations include niacin, vitamin C, and electrolyte support for cardiovascular health, immune function, and athletic performance.
Subscription Service
Our flexible subscription service ensures consistent access to essential supplements with 10% savings and free shipping. Customers customize delivery intervals from 30-180 days while earning reward points. The program includes email reminders before shipments and allows easy modifications through online account management for uninterrupted wellness support.
Health Research Resources
We provide medical professionals with access to 45+ years of clinical research through our dedicated portal. Resources include peer-reviewed studies on sustained-release niacin, clinical starter kits for patient trials, and summaries of cardiovascular health research. This platform supports healthcare practitioners in developing evidence-based supplement protocols for patient care.
Wholesale Program
Our wholesale program serves healthcare providers and retailers with bulk ordering options for sustained-release formulations. The program includes clinical starter kits with 45-tablet samples for patient trials, practitioner pricing, and access to exclusive research materials that support integrative health approaches for cardiovascular and metabolic wellness.
Customer Support
We offer direct customer support through phone, email, and online resources with expertise in supplement formulation and usage. Our team provides guidance on product selection, subscription management, and health-related inquiries while maintaining compliance with regulatory standards for nutritional supplement information and claims.
Questions
What makes your sustained-release supplements different from regular vitamins?
Our patented wax matrix technology delivers nutrients gradually over 6-8 hours, improving absorption while reducing gastrointestinal discomfort compared to standard immediate-release formulas.
Do you offer medical professional resources for supplement research?
Yes, our clinical research portal provides access to 23+ peer-reviewed studies, sample starter kits, and summaries of cardiovascular health research for licensed practitioners.
How does your subscription service work?
Choose 30, 45, 90, or 180-day delivery intervals with 10% savings and free shipping. Manage subscriptions online with email reminders before each shipment.
Are your products suitable for special dietary needs?
All our supplements are vegetarian, gluten-free, and free from artificial dyes or preservatives, making them suitable for most dietary restrictions.
What shipping options do you provide?
We offer free standard shipping on US orders over $75, with expedited options available. International shipping is available to select countries.
Can I return products if I'm not satisfied?
We accept returns within 30 days of purchase for unopened products. Contact our customer service team for return authorization and instructions.
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