01 / RESEARCH SUMMARY
NAD+ Research Summary
NAD+ (nicotinamide adenine dinucleotide) is a coenzyme found in every cell. It is essential for converting food into energy and is used by sirtuins and PARP enzymes for DNA repair and cellular stress responses. NAD+ levels decline with age, which has driven interest in raising them. Most human research has studied precursors such as NR and NMN, which reliably raise blood NAD+; direct NAD+ infusions and injections are widely used in clinics but have fewer controlled trials.
Read the full guide →02 / WHY RESEARCHERS STUDY IT
Why NAD+ draws research interest
These are the areas researchers and the peptide community explore NAD+ for most often. They describe what is being studied — not proven benefits, approved uses, or promised results.
Cellular energy
Essential coenzyme for turning food into ATP.
DNA repair
Fuels sirtuins and PARPs that maintain and repair DNA.
Healthy aging
NAD+ declines with age, driving interest in restoring it.
Evidence ranges from early lab work to large clinical trials depending on the use — see the sections below for the data and sources.
03 / DOSING & RECONSTITUTION
Dosing & Reconstitution Guide
A single practical dilution with accurate dosing, step by step
Standard Approach (3 mL = 166.67 mg/mL)
- Reconstitute: Add 3 mL bacteriostatic water to one 500 mg vial → final concentration 166.67 mg/mL (166,666.7 mcg/mL).
- Typical range: 25–200 mg 1x daily am · 2–4x week or daily, As long as needed.
- Easy measuring: At 166.67 mg/mL, 1 unit ≈ 1,666.67 mcg on a U-100 syringe, so doses read at 15–120 units.
- Storage: Lyophilized: store at −20 °C (−4 °F); after reconstitution, refrigerate at 2–8 °C (35.6–46.4 °F) and do not freeze the mixed solution.
| Protocol | Dose range | Frequency | Cycle | Half-life | Fasted | Route |
|---|---|---|---|---|---|---|
| Injectable · Subq | 25–200 mg | 1x daily AM · 2–4x week or daily | As long as needed | <1 min (IV); hours as precursor metabolites | No | Subq |
04 / RECONSTITUTION CALCULATOR
Mix & measure NAD+ · 500 mg
Pre-filled with this protocol's recommended BAC water and starting dose — edit any field to run your own numbers.
- CONCENTRATION
- 166.67 mg/mL
- DRAW VOLUME
- 0.150 mL
- ON THE SYRINGE
- 15.0 units
- DOSES / VIAL
- 20
Reconstitution math only. U-100 syringe: 100 units = 1 mL.
Reconstitution GuideFull calculator →05 / STORAGE
Storage Instructions
Lyophilized (powder)
Store in the freezer at −20 °C (−4 °F) for long-term storage, or refrigerated at 2–8 °C for shorter periods. Keep dry, sealed and away from light. Let a frozen vial reach room temperature before opening to avoid condensation.
Reconstituted
Refrigerate at 2–8 °C (35.6–46.4 °F) and use within about 28 days. Do not freeze. Keep away from heat and direct light, and avoid repeated temperature swings. Swirl gently — never shake.
Reconstitution steps
- Wipe the vial stopper with an alcohol swab.
- Draw the BAC water and release it slowly down the inside wall of the vial.
- Swirl or roll gently until fully dissolved — don't shake.
- Label with the date and concentration and refrigerate.
06 / RESEARCH FINDINGS
What Research Shows
Preclinical / limited human evidence
- NAD is involved in cellular energy production and redox reactions.
- NAD metabolism and supplementation are research areas.
Research context
Evidence for NAD precursors is not evidence for injected NAD. Anti-aging, energy, or addiction-treatment claims require direct clinical evidence for the exact intervention.
07 / MOLECULAR BIOLOGY
Mechanism of Action
Characterized biological pathway
Redox reactions and NAD-dependent enzymes
NAD+ acts as an electron-transfer cofactor and a substrate for enzymes such as sirtuins and PARPs. Intracellular biology and administered NAD+ are separate evidence questions.
Adamantane & the blood–brain barrier
Chemically attaching an adamantane group to a peptide can increase its lipid (fat) solubility. Researchers hypothesize that this modification may help certain compounds cross the tightly regulated blood–brain barrier. The effect depends on the specific modified molecule; greater lipid solubility alone does not establish brain delivery or clinical benefit. This does not apply automatically to the unmodified peptide and is not a reconstitution additive.
08 / LIFESTYLE FACTORS
Lifestyle Factors
- Exercise: these compounds work alongside, not instead of, regular training — especially zone 2 cardio.
- Sleep and circadian rhythm: keep a consistent sleep schedule.
- Nutrition: whole-food diet with adequate protein; avoid chronic overeating.
- Track bloodwork (glucose, lipids, liver markers) before and during longer cycles.
09 / BENEFITS & SIDE EFFECTS
Potential Benefits & Side Effects
Potential Benefits
- Improved energy and exercise capacity
- Better insulin sensitivity and metabolic markers
- Support for mitochondrial function
- Potential fat-loss support (5-Amino-1MQ, AOD-9604, SLU-PP-332)
Side Effects
- Injection-site irritation
- NAD+: flushing, chest tightness or nausea if pushed too fast
- Fatigue or restlessness early in a cycle
- GI discomfort with oral compounds
10 / STUDIES
Studies & references
11 / SAFETY
Safety considerations
- Verify the active identity, lot number, and matching certificate of analysis. Testing does not by itself establish sterility or suitability for human use.
- Follow documented product-specific storage and preparation requirements; stability and diluent compatibility depend on the formulation.
- Research powders are not interchangeable with prescription formulations. Do not infer an injection or nasal protocol from a concentration calculation.
- For medical care, pregnancy, existing conditions, or medication interactions, consult a qualified healthcare professional.
12 / RECOMMENDED SOURCE
Recommended Source
For research peptides, we point researchers to Orbitrex Peptides for NAD+.
Why Orbitrex?
- Family-owned & independently tested: Multiple laboratories verify quality, with batch-specific testing in every COA.
- Everyday value: Buy 4, Get 1 Free on eligible products.
- Loyalty credit: 5% back in loyalty credit for future purchases.
- VerifyPass discount: 20% off for qualifying groups — stacks with affiliate codes.
- Free 2nd Day shipping: Free UPS 2nd Day Air on orders $200+, applied automatically at checkout.
All products are for research use only. Availability and offers subject to change.