The phrase “500 mg NAD+” can describe all the material in a prescription vial or the amount in one labeled oral serving. Those are different units of purchase, even before their delivery routes are considered.
Strut and Codeage provide useful public examples. One advertises a compounded injection vial; the other sells an oral combination formula. The shared number does not make them substitutes or establish which produces a better result.
A 500 mg vial and a 500 mg oral serving are different purchases. Compare the route, complete label, and supply period before comparing price.
The vial example: what Strut actually describes
Strut’s NAD page lists a 500 mg vial at 200 mg/mL and describes a $149 monthly offer including physician consultations and shipping. Those are the provider’s advertised terms, subject to the selected prescription and plan.
The total vial content is not automatically a single administered dose. Its concentration, prescribed instructions, storage requirements, and beyond-use date are separate fields. The Strut review also explains why a price should remain attached to the specific supply offered.
The oral example: three Codeage capsules
Codeage Liposomal NAD+ Ultra lists 500 mg of direct NAD+ per three-capsule serving. Its Supplement Facts panel also includes quercetin, trans-resveratrol, betaine, riboflavin, and vitamin B12. It is therefore a combination supplement rather than a bottle of injectable NAD or a plain NR capsule.
Read the full formula when considering overlap with products you already use. The Codeage review keeps those ingredients separate instead of treating the entire blend as 500 mg of one interchangeable treatment.
Why cost per milligram can mislead
Dividing the price by 500 may look precise while ignoring most of the purchase. A prescription price can include evaluation and dispensing; an oral bottle contains several labeled servings. Administration, handling, and evidence also differ.
Compare the cost per labeled oral serving with other oral products of the same molecule. For a prescription, request the complete cost and supply period of the plan actually proposed to you.
A 500 mg headline does not validate a preparation
Neither total content nor a high purity claim establishes sterility or appropriate clinical use. FDA distinguishes compounded drugs from approved medicines and has highlighted concerns involving ingredients used for sterile NAD preparations. A capsule ingredient or research powder should never be repurposed for injection.
Questions that resolve the ambiguity
Ask whether 500 mg means the whole container, one serving, or an amount in a research protocol. Then request the actual label. If the offer is a prescription, ask the prescriber to explain the intended plan and the pharmacy to clarify storage and beyond-use instructions.
For comparison with a larger container or oral label, read NAD+ 1,000 mg. Doubling a package number is not evidence of twice the clinical benefit.
Sources & reading notes
Editorial source review updated September 19, 2026. Provider pages describe their own offers; inclusion does not verify a product or its results.
- Strut Health: NAD+ Therapy Provider FAQ: one 500 mg vial for $149/month, including physician consultations and free shipping. Confirm the actual prescription and supplies. Refreshed September 19, 2026.
- Codeage: Liposomal NAD+ Ultra Manufacturer describes direct NAD plus several additional ingredients.
- Codeage NAD+ Ultra: Supplement Facts panel Manufacturer label viewed September 19, 2026: 500 mg direct NAD+ per three capsules, plus other active ingredients.
- FDA: compounding questions and answers Explains that compounded drugs are not FDA-approved.
- FDA: ingredients suitable for sterile compounding Safety notice describing reported reactions and ingredient-quality concerns.
Educational information, not individualized medical advice. We do not claim medical review or firsthand treatment experience. Read our review standards and commercial disclosure.