NAD+: What 14 Users Report
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Anonymous user report. Not medical advice. Peptides discussed are not FDA-approved for the uses described. Editorial process →
What is NAD+?
NAD+ is a coenzyme, not a peptide. Clinics market IV NAD+ for energy and anti-ageing; oral precursors such as NMN are sold as supplements. Controlled evidence for dramatic benefits in healthy adults is limited. Peptide Confessions does not publish dosing, timing, injection or sourcing guidance.
How NAD+ is taken, and what the evidence covers
Routes people describe, with the state of human evidence. Last reviewed October 15, 2026.
| Route | What it is | Human evidence |
|---|---|---|
| IV drip | Clinic infusion of NAD+ over hours | Very small studies; raises blood NAD+ during infusion; no outcome trials in healthy adults |
| Injection under the skin | Research-market or clinic vials | Almost none; quality and sterility vary |
| Oral precursors | NMN or nicotinamide riboside (NR) | Small trials show higher NAD+ markers; limited clinical benefit |
| Nasal spray, patches | Marketed products | Little or no published human data |
Why people use it
NAD+ levels fall with age in animal tissues, and in mice raising NAD+ improves some markers of metabolism and muscle function. That is the basis for clinic claims about energy, focus, recovery, addiction withdrawal and anti-ageing. In people, trials so far mostly show that NAD+ markers rise, not that energy, ageing or lifespan change. Peptide Confessions does not publish dosing, timing, injection or sourcing guidance.
Side effects and risks
IV NAD+ commonly causes flushing, nausea, chest or stomach tightness, cramping and a heavy or anxious feeling, especially when infused quickly; slowing the drip is how clinics usually respond. Injections can sting or cause local reactions, and #720 asks about injection-site reactions after using an unbuffered product. Long-term effects of raising NAD+ are unknown; because cells, including cancer cells, use NAD+ for energy, people with cancer should talk to their oncologist first. See NAD+ benefits.
What users report
Tagged confessions include #116, #150, #157, #401, #403, #509, #562, #622, #720, #751 and #776. Themes range from more energy to nothing noticeable; some stories are stacks with MOTS-c or SS-31. See NAD+ benefits and NAD+ vs NMN.
more topics on these reports:
Anonymous NAD+ reports
If you have used NAD+ (IV, injection or other), submit what changed — or did not.
Submit yoursCommunity Q&A
- What are NAD+ side effects?
- With IV NAD+, flushing, nausea, chest or stomach tightness and cramping are commonly described, usually linked to infusion speed. Injections can cause local reactions. Long-term effects are unknown.
- Is IV NAD+ better than NMN?
- No trial has compared them on outcomes people care about. Both raise NAD+ markers; IV is more expensive and causes more acute side effects.
- Does NAD+ slow ageing?
- Not shown in humans. Evidence of anti-ageing effects comes from animal studies.
- Is NAD+ a peptide?
- No. It is a coenzyme often sold alongside peptides.
- What NAD+ benefits do users report?
- Some describe more energy; others describe no change. Reports are personal and often confounded.
- Does this page give dosing advice?
- Peptide Confessions does not publish dosing, timing, injection or sourcing guidance.
Anonymous first-hand reports plus sourced context — educational only, not medical advice. Editorial policy & corrections.