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The knowledge directory / Reviews

Get to know your options.

Compare online providers, in-person services, pharmacies, and nasal alternatives. Source-linked reviews of costs, care, and the questions that deserve an answer.

CoreAge Rx is our featured commercial partner. We may earn a commission from its links. Reviews examine public information; they do not represent personal treatment tests. Read our method

44 brand reviews

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Showing 44 of 44 reviews

24 reviews

Online injection services

Online clinical evaluations, with medication delivered if prescribed.

9 reviews

In-person care

Studio and clinic services. Verify the exact location, appointment, and price.

9 reviews

Pharmacy suppliers

The companies preparing medication, separate from the service providing your clinical care.

2 reviews

Nasal-spray alternatives

A different route to discuss with your clinician. These are not injection-kit reviews.

A note before you choose.

NAD+ research is still developing. A molecule’s role in the body does not establish that an injection improves energy, memory, or lifespan. Discuss persistent symptoms and treatment decisions with your clinician.

Read the evidence guide