Stronger For Longer Nutrition
NAD+ & Japanese Knotweed
60 Capsules for Cellular Energy Support
$22.99$49.99
Cellular energy and healthy aging support
- Free shipping, always
- Made fresh to order in Golden, Colorado
- 30-day money-back guarantee
- Veteran-owned · 3rd-party tested
NAD+ 500 mg meets Quercetin and Japanese Knotweed Resveratrol in one daily two-capsule formula built to support cellular energy and healthy aging.* It’s a focused stack for people who ask a lot of their bodies and want their energy supported from the inside out.*
Why you’ll love it*
- Cellular energy: NAD+ is a coenzyme involved in ATP production, supporting your body’s natural energy at the cellular level.*
- Healthy aging support: NAD+ levels naturally decline with age, and this formula is designed to support cellular function as you get older.*
- Antioxidant support: Quercetin and Resveratrol work together to help neutralize free radicals.*
- Balanced immune function: Quercetin is a plant flavonoid that supports healthy immune function.*
- Heart and brain support: Resveratrol from Japanese Knotweed root is an antioxidant-rich polyphenol studied for its role in supporting heart and brain health.*
What’s inside
Per serving (2 capsules): NAD+ (Nicotinamide Adenine Dinucleotide) 500 mg; Quercetin Dihydrate (Sophora japonica flower bud) 250 mg; Resveratrol (Japanese Knotweed root, 98%) 150 mg. Gluten-free · Vegetarian · Vegan friendly · Lactose-free · Non-GMO.
Suggested use
Take 2 capsules daily with 6 oz of water, or as directed by your healthcare provider. Do not exceed the recommended dose.
The SFL difference
Three targeted ingredients at stated amounts, with no filler blends to hide behind. Tested for quality and made fresh to order in Golden, Colorado by a veteran-owned team.
Product details
60 capsules (30 servings) · Made in the USA
*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. Not for use by anyone under 18, by pregnant or nursing women, or by individuals with pre-existing conditions without physician approval. If you are taking medication or have a medical condition, consult your healthcare provider before use. Keep out of reach of children. Do not use if safety seal is damaged or missing. Store in a cool, dry place.
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.
Are you FDA compliant?
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.
Are these supplements tested?
Yes, all Stronger For Longer products are thoroughly researched and tested. We personally test every product to ensure it meets our high standards before it reaches you, and we believe in the power of education and transparency — each formula is designed to truly make a difference.
Does SFL offer returns?
Yes, Stronger For Longer proudly offers a 30-day money-back guarantee. If you’re not completely satisfied with your product, we’ll make it right. 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.
Let customers speak for us
I'm very happy with my purchase. The products were delivered quickly and are of good quality. The designs are neat - something often overlooked for other supplement brands - and I've found the products to work well, especially the sleep related and create products as well.
I will be buying again!
Absolutely love this product! I’ve been using it consistently and have noticed a real improvement in my energy, focus, and overall well-being. I feel more motivated throughout the day without feeling jittery or crashing afterward. The quality is excellent, and it has become an easy addition to my daily routine. I’ll definitely be purchasing it again—highly recommend!
Immediately felt the energy boost, better sleepy, improved performance in the gym, and overall just healthier.
Since I started taking this I have more endurance during my workouts and my recovery has been on point. Thank you!!
Really effective at raising energy levels, will be ordering more.
Absolutely love it! Moringa is awesome for the nervous system. Feel way less bloated, too.
Really great for digestion
This is the best way to get your bee bread in... game changer for all-day stamina, balanced energy levels and endurance.
Five stars as usual for SFL!
⭐⭐⭐⭐⭐
I've been taking SFL Fruits & Veggies Mega Mix as part of my daily morning routine alongside SFL electrolytes and greens powder right before my morning coffee to hydrate the cells and I genuinely love it. Every day at 6am, this combo is the first thing I reach for to get my morning started.
What I appreciate most is how simple it is. Two capsules and you're getting a solid blend of real whole food ingredients: beet root, blueberries, apple fiber, ginger, garlic and without any of the prep work. For someone who wants to make sure they're covering their nutritional bases without overhauling their diet, this hits the mark.
I've noticed better digestion and just a general feeling of consistency in my energy levels since starting. The fact that it's veteran-owned and made with clean ingredients makes it even easier to feel good about taking it daily. Highly recommend pairing it with the electrolytes and greens for a complete morning wellness stack!
Love the fit on this hoodie! High quality gear from a high quality supplement brand. 5 stars for SFL!
Can't say enough great things about Stronger For Longer Nutrition. The apparel is top quality — a perfectly fitting hoodie and a clean logo tee I wear all the time. Beyond the gear, their supplements are a daily staple for me. If you're looking for a brand you can trust and actually love repping, SFL is it!
Amazing supplement, got on the monthly subscription
The best stuff I've had
SFL insider