{"product_id":"nr-nad-precursor","title":"NR (Nicotinamid-Ribosid)","description":"\u003ch3 style=\"margin: 0 0 0.9em;\"\u003eAt a glance\u003c\/h3\u003e\n\u003cul style=\"margin: 0 0 1.5em; padding-left: 1.3em;\"\u003e\n\u003cli style=\"margin-bottom: 0.6em;\"\u003eA form of vitamin B3 that your cells convert into NAD+, the coenzyme at the center of cellular energy production\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 0.6em;\"\u003eThe best-studied NAD+ precursor in humans: clinical trials show it reliably raises blood NAD+ levels, typically by 40 to 60%\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 0.6em;\"\u003eClean safety record across trials, including at high doses\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 0.6em;\"\u003eHonest evidence status: raising NAD+ is proven; downstream health benefits in healthy adults are still being established\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 0.6em;\"\u003ePrescribed by a US-licensed physician, with medical supervision included for the length of your treatment\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"margin: 2.2em 0 0.9em;\"\u003eWhat it is\u003c\/h3\u003e\n\u003cp style=\"margin: 0 0 1.2em; line-height: 1.65;\"\u003eNR (nicotinamide riboside) is a specialized form of vitamin B3 and one of the most efficient building blocks your body has for making NAD+, the coenzyme every cell uses to produce energy and repair itself. Rather than supplying NAD+ directly, NR takes the precursor route: you provide the raw material, and your cells convert it through their own pathways. NR is the most clinically studied NAD+ precursor in humans, with multiple randomized trials behind it.\u003c\/p\u003e\n\n\u003ch3 style=\"margin: 2.2em 0 0.9em;\"\u003eHow it works\u003c\/h3\u003e\n\u003cp style=\"margin: 0 0 1.2em; line-height: 1.65;\"\u003eYour cells cannot absorb much intact NAD+ from outside; they prefer to build it. NR enters cells readily and sits two enzymatic steps away from NAD+, making it an efficient feedstock. Trials consistently show that NR supplementation raises blood NAD+ levels, typically in the range of 40 to 60% at standard doses, within a couple of weeks. The logic is the same as for direct NAD+ therapy, restoring the cellular energy currency that daily life spends, but working with your body's own production line rather than around it.\u003c\/p\u003e\n\n\u003ch3 style=\"margin: 2.2em 0 0.9em;\"\u003eWhat the research shows\u003c\/h3\u003e\n\u003cp style=\"margin: 0 0 1.2em; line-height: 1.65;\"\u003eNR has something rare in the longevity field: repeated, randomized human trials. They establish two things clearly. First, NR reliably raises NAD+ levels in blood. Second, it is well tolerated, including in a high-dose safety trial. What the trials have not yet established is that this translates into measurable improvements in performance, aging markers, or disease outcomes for healthy adults; results on those endpoints are early and mixed, and a 2025 Nature Metabolism review says exactly that. So our position is simple: NR demonstrably restores a molecule that matters, its safety record is strong, and the outcome science is still maturing. We would rather you buy it understanding that than believe a promise nobody can yet back.\u003c\/p\u003e\n\n\u003ch3 style=\"margin: 2.2em 0 0.9em;\"\u003eWhat to expect\u003c\/h3\u003e\n\u003cp style=\"margin: 0 0 1.2em; line-height: 1.65;\"\u003eNR is unhurried by design. It restores a baseline rather than delivering an acute effect, so do not expect to feel a jolt on day one. Users who notice a difference typically describe steadier energy and better recovery emerging over several weeks of consistent use. It pairs naturally with training, sleep, and the rest of a longevity-focused routine. After checkout, a licensed clinician reviews your intake before anything ships.\u003c\/p\u003e\n\n\u003ch3 style=\"margin: 2.2em 0 0.9em;\"\u003eSide effects and who it's not for\u003c\/h3\u003e\n\u003cp style=\"margin: 0 0 1.2em; line-height: 1.65;\"\u003eNR has one of the cleanest safety records in this space. Across trials, side effects were mild and uncommon: occasional nausea, flushing, or headache. As with the rest of our longevity products, we do not recommend it during pregnancy or with active cancer, since NAD+ biology intersects with cell growth. Your clinician screens for this during review.\u003c\/p\u003e\n\n\u003ch3 style=\"margin: 2.2em 0 1.1em;\"\u003eFAQ\u003c\/h3\u003e\n\n\u003cdetails style=\"margin: 0 0 1em; padding: 0.4em 0;\"\u003e\n\u003csummary style=\"cursor: pointer; padding: 0.3em 0;\"\u003e\u003cstrong\u003eNR or NAD+: what is the difference, and which should I choose?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp style=\"margin: 0.9em 0 0.6em; line-height: 1.65;\"\u003eNAD+ therapy delivers the finished molecule directly by injection. NR supplies the raw material and lets your cells build NAD+ themselves. NR has the deeper trial record for raising levels steadily; direct NAD+ appeals to those who want the molecule itself without conversion steps. Neither has proven superiority over the other in human outcomes, and your clinician will help you choose based on your goals and preference.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails style=\"margin: 0 0 1em; padding: 0.4em 0;\"\u003e\n\u003csummary style=\"cursor: pointer; padding: 0.3em 0;\"\u003e\u003cstrong\u003eIs NR proven to work?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp style=\"margin: 0.9em 0 0.6em; line-height: 1.65;\"\u003eProven to raise NAD+ levels: yes, consistently, across randomized trials. Proven to improve health outcomes in healthy adults: not yet; that research is ongoing and results so far are early and mixed. We state this plainly because trust matters more to us than a stronger sales pitch.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails style=\"margin: 0 0 1em; padding: 0.4em 0;\"\u003e\n\u003csummary style=\"cursor: pointer; padding: 0.3em 0;\"\u003e\u003cstrong\u003eWhy is it more expensive than some offers I see online?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp style=\"margin: 0.9em 0 0.6em; line-height: 1.65;\"\u003eBecause you are not just buying a vial. Your treatment includes a consultation with a highly educated US-licensed physician, ongoing medical supervision, and medication from a US compounding pharmacy whose batches are third-party tested. We deliberately built a premium offering: verified medication, real doctors, and supervision included in the price.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails style=\"margin: 0 0 1em; padding: 0.4em 0;\"\u003e\n\u003csummary style=\"cursor: pointer; padding: 0.3em 0;\"\u003e\u003cstrong\u003eDoes insurance cover this?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp style=\"margin: 0.9em 0 0.6em; line-height: 1.65;\"\u003eNo. In our telehealth setup, insurance coverage is unfortunately not possible, so you pay for your treatment directly. What you get in return is the complete service: physician consultation, ongoing supervision, and third-party tested medication, all included in the price.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails style=\"margin: 0 0 1em; padding: 0.4em 0;\"\u003e\n\u003csummary style=\"cursor: pointer; padding: 0.3em 0;\"\u003e\u003cstrong\u003eWhat happens if I stop?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp style=\"margin: 0.9em 0 0.6em; line-height: 1.65;\"\u003eYour NAD+ levels return toward baseline over a few weeks. There is no rebound or withdrawal. You can stop and restart freely, and your clinician can help you judge whether it is earning its place in your routine.\u003c\/p\u003e\n\u003c\/details\u003e","brand":"Faber","offers":[{"title":"1-Month","offer_id":54486609559918,"sku":null,"price":299.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1013\/9933\/1182\/files\/vial-nr-green.png?v=1786126535","url":"https:\/\/faberworks.co\/products\/nr-nad-precursor","provider":"FABER","version":"1.0","type":"link"}