





NAD + & Japanese Knotweed - Cellular Energy Support
Veteran-Owned | Made in Golden, Colorado | All-American Quality
Power up your cells. Rewire your resilience.
Stronger for Longer’s NAD+ formula delivers 500mg of high-potency Nicotinamide Adenine Dinucleotide (NAD+), your body’s critical coenzyme for cellular energy, DNA repair, and metabolic efficiency. Backed by science and enhanced with powerful plant-based compounds like Quercetin and Resveratrol, this daily supplement is designed to help you optimize vitality from the inside out.
Built for high performers, aging optimizers, and anyone ready to feel sharper, stronger, and more energized—naturally.
⚡ Key Benefits of NAD+ + Quercetin + Resveratrol
-
Supports mitochondrial energy production – boosts your body’s natural energy at the cellular level
-
Promotes healthy aging – helps protect DNA integrity and cellular function
-
Improves metabolic efficiency – supports insulin sensitivity, metabolism, and fat oxidation
-
Enhances cognitive clarity – supports focus, memory, and neurological health
-
Reduces oxidative stress – Quercetin + Resveratrol work together to neutralize free radicals
-
Promotes a healthy inflammatory response – Quercetin supports balanced immunity
-
Supports cardiovascular health – Resveratrol has been shown to improve blood flow and vessel health
-
Aids in cellular repair and resilience – a vital ally for active lifestyles, stress recovery, and longevity
🔬 What’s Inside Each Serving (2 Capsules Daily):
-
NAD+ (Nicotinamide Adenine Dinucleotide) – 500mg
Supports ATP production, metabolic function, and DNA repair
-
Quercetin Dihydrate (Sophora japonica flower bud) – 250mg
A powerful flavonoid known for inflammation regulation and immune modulation
-
Resveratrol (Japanese Knotweed root, 98%) – 150mg
Antioxidant-rich polyphenol shown to enhance heart and brain health
🧠 Why It Works:
As we age, NAD+ levels naturally decline, reducing our cells’ ability to generate energy and repair damage. By supplementing NAD+—and amplifying it with Quercetin and Resveratrol—you create a powerhouse stack that supercharges cellular function, sharpens cognition, and boosts resilience from stress, aging, and everyday wear.
✅ Product Details:
-
Made in the USA (Golden, Colorado 🇺🇸)
-
Veteran-Owned & Tested for Quality
-
60 Capsules / 30-day supply
-
Suggested Use: Take 2 capsules daily with 6 oz of water, or as directed by your healthcare provider
⚠️ Safety Notice:
Do not exceed the recommended dose. Not for use by those under 18, pregnant or nursing women, or individuals with pre-existing conditions without physician approval. Always check the seal. Store in a cool, dry place.
Pairs well with

NAD + & Japanese Knotweed - Cellular Energy Support
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
Shipping Information
Use this text to answer questions in as much detail as possible for your customers.
Customer Support
Use this text to answer questions in as much detail as possible for your customers.
FAQ’s
Use this text to answer questions in as much detail as possible for your customers.
Information
Share contact information, store details, and brand content with your customers.
Contact Us
Use this text to answer questions in as much detail as possible for your customers.
Veteran-owned & operated since 2022
Nutrition. Fitness. Optimization. Longevity.
Proprietary Blends, Ayurvedic Sources & Science-Backed Formulations
Made in USA, Third-Party Tested, FDA Compliant, GMP & Fair Trade
Free Shipping Over $75. Save 25% with 10+ Items at Checkout
SFL Policies
SFL Policies. If you have a question, comment, or concern, please contact us.
Have a question about a supplement?
Free Health Consult
Contact us to get SFL into your store, or ask about ingredients, sourcing, bulk orders or benefits. We'll respond within 24-hours.

Proudly made in the USA. Veteran-owned, operated and founded.
SFL was crafted from a deepening need for a trusted brand in the supplement market for athletes, moms, military members and the everyday American. We craft premium products that matter.
In a world with too many ingredients being chemically altered - and from overseas, we sought to be the change we sought as athletes, moms, dads ourselves. SFL is for you - the everyday American, athlete, entrepreneur, family member, citizen & more.
SFL Product Details
Where are your products made?
Stronger For Longer, a proud veteran-owned brand located in Golden, Colorado, is dedicated to delivering exceptional nutrition, optimization, and longevity products. With a deep commitment to quality and transparency, we create all-natural products using only premium, responsibly sourced ingredients. Our manufacturing processes strictly adhere to GMP (Good Manufacturing Practices) and fair trade agreements, ensuring ethical sourcing and production standards.
To guarantee the utmost quality and safety, we implement rigorous random QA testing throughout every stage of production. Our goal is to provide you with products you can trust, crafted with care and precision to help you achieve your health and wellness goals. At Stronger For Longer, your well-being is our top priority.
Are you FDA Compliant?
Stronger For Longer, a proud veteran-owned brand based in Golden, Colorado, is committed to producing high-quality, all-natural nutrition, optimization, and longevity products. Yes, we are FDA-compliant, ensuring all our products meet the highest safety and regulatory standards.
Our manufacturing process adheres to strict Good Manufacturing Practices (GMP), which means every product is crafted in a clean, controlled environment using premium ingredients that are responsibly sourced and ethically produced. To maintain our commitment to quality, we conduct rigorous random QA testing throughout every stage of production, ensuring that each product is safe, effective, and consistent.
At Stronger For Longer, we take extensive care in formulating every product. Our team conducts thorough research, relying on the latest scientific advancements and nutritional studies to develop innovative solutions designed to support your health and wellness. This dedication to excellence ensures that every product we offer is not only trustworthy but also helps you optimize your performance and longevity.
Are these supplements tested?
Yes, all Stronger For Longer products are thoroughly researched and tested. With our extensive backgrounds as 18 Bravos and 18 Echo, combined with medical school education, both Phil and Cam bring unparalleled expertise and commitment to every product we create. Our experience spans both military and civilian sectors, enabling us to apply a unique perspective to health, wellness, and optimization.
We dedicate ourselves to meticulous personal research to develop formulaic blends that prioritize quality and effectiveness. Many of our products contain up to 2x the standard dose of certain herbs, minerals, and vitamins to ensure maximum benefit while minimizing potential downsides. We believe in the power of education and transparency, ensuring each formula is backed by science and designed to truly make a difference.
As part of our commitment to excellence, we personally test every product to ensure it meets our high standards before it reaches you. At Stronger For Longer, you can trust that every product reflects our unwavering dedication to quality, research, and results.
Does SFL offer returns?
Yes, Stronger For Longer does accept returns, and we proudly offer a 30-day money-back guarantee. If you’re not completely satisfied with your product, we’ll make it right. Whether you choose to keep the product or return it, we’ll credit you back the original cost—no questions asked. We also invite you to try another product, tailored to your specific needs, at no additional cost.
This one-time courtesy reflects our commitment to your satisfaction and health journey. We understand that everyone is different and may experience varying results. Our team is happy to work with you to recommend the product best suited to your goals and needs. At Stronger For Longer, your trust and satisfaction are our top priorities