How to choose a NAD+ provider

Identify the care team behind the brand

A consumer-facing brand can arrange care through a separate clinical practice and a separate pharmacy. Ask for the entities involved and the names or contact details needed to verify them. A general customer-support inbox is useful for billing, but you also need to know how a clinical question reaches the prescribing team.

Ask how eligibility is assessed and what happens if treatment is not prescribed. A checkout promising access to a consultation should be described that way. A clinician should make the prescribing decision based on the actual assessment; buying a subscription is not a reason to expect a particular prescription.

Keep a copy of the provider's response. If the website names a team but does not say who handles your prescription, ask before paying. This is also where to confirm whether the service is available where you live. A national marketing page is not proof of availability in every state.

Verify the pharmacy separately

FDA's online-pharmacy guidance recommends checking that a pharmacy is appropriately licensed, requires a prescription where needed, provides a physical address and contact information, and offers access to a licensed pharmacist. Use the relevant state board's records rather than relying solely on a logo displayed by the seller. Read FDA's online-pharmacy guide^[1].

If a provider says the pharmacy may vary, ask when you will learn which pharmacy fills the order and how to contact it. Verification should relate to the actual dispensing pharmacy, not a different company named in a general FAQ.

A license check is one piece of a purchasing decision. It does not verify every batch or establish that a treatment will produce a particular benefit. Keep the scope of each check clear. You can confirm an identity or license without describing the service as independently tested or clinically endorsed.

Clarify what compounded means for this purchase

FDA explains that compounded drugs are not FDA-approved and are not reviewed by the agency for safety, effectiveness or quality before marketing. A pharmacy registration, inspection or state license should not be presented as approval of the preparation. See FDA's compounding questions and answers^[2].

For NAD+ specifically, FDA has warned about unsuitable ingredients used in sterile compounding and reported adverse reactions. Ask the prescriber and pharmacy about the actual product, preparation and oversight. The warning should inform your questions; it is not evidence that a particular uninvestigated seller caused an adverse event.^[3]

Do not confuse a certificate, a seller's quality claim and independent evidence about the product you receive. Ask what a document covers, who issued it and whether it relates to the actual preparation. If you cannot interpret a technical answer, ask the pharmacist rather than treating a reassuring phrase as proof.

Request a quote that can actually be compared

Ask for the route, quantity supplied, billing period and all required charges in one written proposal. If the preparation is a vial, ask for the total content, not just concentration. If it is an infusion, ask what is included in the visit and whether a package commits you to additional appointments.

Our provider review index records published prices and their limitations. It is useful for narrowing questions, but the historical record is not a replacement for the current offer. Read the price's recorded month and confirm material terms before enrolling.

The cost-per-milligram calculator can compare complete inputs. It cannot evaluate clinical quality or fill missing information. A provider that supplies both numbers is easier to compare financially; that fact alone should not become a medical recommendation.

Understand support, handling and the exit

Ask how training is provided where home administration is proposed, how to contact a clinician about a concern and whom to contact about the delivered product. Ask the pharmacist about storage and discard instructions for the actual preparation. Do not improvise handling from a review article or change the dose to match an advertised supply period.

Then ask about the billing exit: how to cancel, when notice is due, whether a refill has already entered fulfillment and which fees can be refunded. A clear cancellation policy matters even if you expect to continue. The subscription checklist provides a way to record those answers.

Finally, evaluate the recommendation in front of you. This site earns affiliate commissions from some providers, and marked partner placements are commercial. They do not certify outcomes, pharmacy quality or suitability for you. The advertising disclosure explains how those relationships affect placements. Compare the factual offer and discuss treatment with a clinician who knows your history.

What a useful provider review should tell you

A useful review should identify what the provider offers, what the quoted price buys, where the information came from and when it was checked. It should distinguish a published offer from an estimate and say when a quantity or important fee is missing. Those are practical facts a reader can use before contacting the service.

A pricing review should also describe its limits. Reading a website is not the same as completing an assessment, receiving medication or using the service. Unless firsthand experience is documented, a review should not imply that the writer tested the treatment, verified a shipment or personally experienced support. Specificity is valuable only when it is truthful.

Look for concrete comparisons rather than a collection of generic advantages. A review can explain that one quote states a total quantity while another does not, or that one offer requires prepayment. It should not infer a better clinical outcome from those financial differences.

Finally, check the commercial disclosure. A site can be useful while earning commissions, but the relationship should be clear near commercial recommendations. An affiliate badge tells you about the publisher's relationship with a seller. It does not verify a preparation, establish the seller's clinical competence or turn a price comparison into individual medical advice.

When an unanswered question should pause the purchase

Some questions can wait until after enrollment; others determine what you are buying. If you cannot identify the dispensing pharmacy, understand the total charge or learn how clinical concerns are handled, request clarification before committing. A countdown promotion does not make an incomplete answer more reliable.

Ask one specific question at a time and keep the response. “Which pharmacy would fill my prescription?” is easier to resolve than “Is this company legitimate?” “What amount renews after the first shipment?” is more useful than “Are there hidden fees?” Specific questions give you information that can be checked and compared.

If the service cannot answer before an assessment, ask what you must pay to reach that stage and what is refundable. You can then decide whether the limited information is worth that initial commitment. Record the uncertainty rather than assuming the assessment will produce the outcome you want.

If a response makes a broad promise about safety, effectiveness or guaranteed results, ask for the evidence supporting that particular claim. A polished brand can organize information well, but your decision still rests on the actual care arrangement, evidence and terms. Use the design to find the answers, not as proof that the answers must be favorable.

Examples from provider price records

A useful review can expose an unanswered purchase question. Enhance MD's price record includes a subcutaneous listing at $169, labeled “MONTHLY PRICE,” without a stated dose beside that figure. Read in September 2026, it gives you a specific question to ask: what total quantity is attached to the current offer?

RNK Health's review separates several billing descriptions, including “Billed every 6 months. Shipped monthly.,” recorded in September 2026. Use it to ask how much is charged up front and what each shipment contains. These links help investigate purchasing terms; they do not endorse clinical care, establish pharmacy quality or imply firsthand treatment experience.

Sources and scope

Published by nadcost. The sources below support the specific statements linked in this guide. This is consumer research, not an individual medical, insurance or tax determination. Examples identified as fictional are illustrations, not provider offers. A guide revision does not refresh the dates on historical provider prices.