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Rigorous Nutrition

Birmingham, United States (US) · Beauty and Personal Care

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Last verified

May 2026

Overview

Rigorous Nutrition is a Birmingham, Alabama-based supplement company dedicated to empowering individuals to achieve peak performance and longevity through scientifically-backed nutrition. We provide high-quality, innovative formulas like NAD+ Complex, Powerhouse Greens, and ENDLESS Energy Drink, designed to support cellular energy, cognitive function, and overall wellness.

Rigorous Nutrition distinguishes itself by combining direct NAD+ supplementation with protective compounds like Quercetin and Resveratrol, creating a synergistic approach to cellular optimization. With a commitment to transparency and efficacy, we’re helping people unlock their full potential, one supplement at a time.

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Contact Details

info@rigorousnutrition.com

Birmingham, United States (US)

Company Type

Private Limited Company

Employees

2-10

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Products

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NAD+ Complex
Exercise and Fitness

Revitalized Cellular Energy: RIGOROUS NAD+ Complex Cellular Energy • Longevity Support • Mitochondrial Optimization Stay energized. Age smarter. Repair from the inside out. Why NAD+ Matters NAD+ (Nicotinamide Adenine Dinucleotide) is your body’s cellular power switch. It fuels mitochondrial energy, supports DNA repair, and activates sirtuins—the enzymes responsible for healthy aging and resilience. But here’s the problem: NAD+ levels decline sharply with age , stress, and inflammation. That’s where RIGOROUS NAD+ Complex steps in. What Makes This Formula Different? 🔬 3-in-1 Synergistic Approach to NAD+ Optimization: ✅ Direct NAD+ Supplementation – 500mg Most supplements rely only on precursors like NMN or NR. We go a step further with actual NAD+ , the molecule your cells are starving for. While absorption is still debated, emerging studies support its ability to raise circulating levels—especially when paired with the right cofactors. ✅ Quercetin (250mg) – Protects & Preserves NAD+ Quercetin is a natural CD38 inhibitor , which helps prevent your body from breaking down NAD+ too quickly. It also clears out senescent “zombie” cells that clog up your system, making room for healthier, more efficient cellular performance. ✅ Resveratrol (150mg from Japanese Knotweed) – Activates NAD+-Powered Pathways This potent polyphenol does more than protect your heart—it activates SIRT1 , a gene-regulating enzyme that relies on NAD+ to function. Think of it as flipping the switch on your long

$49.99 USD

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