NAD+ buying guide
What counts as a price here, and what does not
A number with a dollar sign in front of it is not automatically a price. Six different kinds of number are printed on NAD+ sellers’ pages in the same typeface and the same size, and telling them apart is the only thing that makes any of them comparable.
A dollar sign is not a price
Open two NAD+ sellers’ pages side by side and you will find two numbers set in the same weight, the same size and the same position on the screen. One of them is what you will be charged every month for as long as you stay. The other is the smallest figure the company is willing to print, with no stated top, for a product it has not described. They look identical and they are not the same kind of fact.
This site holds 382 such figures, read from 110 sellers’ own pages. Source readings: September 2026 to October 2026. Before any two of them can be compared, each one has to be sorted into what it actually is. Six kinds cover all of them.
The six kinds, in the sellers’ own words
Six kinds cover every figure in the index. The distinction between them is not a matter of judgment about the seller — it is read off the words the seller printed around the number, which are stored verbatim beside it.
| Kind | What it is | One seller’s own words |
|---|---|---|
| Standing rate | A figure charged every billing period, for as long as you stay | “$165 per month” |
| From-price | A lower bound with no stated top — the least you could pay, not the price | “Starting at $149/month” |
| First period | What you are charged once, at the start, and not afterwards | “Monthly Plan Billed and shipped monthly. $173 first month $196/mo after” |
| Prepay total | A lump sum covering a stated term, paid up front | “$345 total · billed once” |
| One-time | A single purchase with no recurrence at all | “One-Time Purchase 10ml vial $250” |
| Unresolved | A figure nobody could say what it was for — an unlabeled pair, a bundle of several molecules, or two pages of one site disagreeing | “$269 from $139” |
The last row is a category, not a failure. A figure nobody could resolve carries no dollar amount here at all, so nothing on this site can rank it, average it or compare it. The refusal is built into the data rather than left to somebody to remember.
Source: Each quotation is the sentence printed around that figure on the seller’s own page. Read September 2026.
share of the 382 figures read for this index
Source: Counted over every figure in this index, including repeats of the same offer on a second surface. Source readings: September 2026 to October 2026. Sellers: 110.
Read the first bar against the rest. 138 of 382 figures are standing rates, which sounds like a majority of something until you notice that 244 are not — and that the four kinds below the top one are each a specific way of putting a number on a page without committing to a price.
Published, or only in the markup
A second question runs across all six: was the figure on the page, or only in it? 41 of the 382 were found in markup a browser never draws — structured data, hidden product variants, fragments of a plan table that renders elsewhere. They are real, they are in the file a seller serves, and a reader has never seen them.
They are recorded here and never counted. Visible text, or it is not published: a figure nobody was shown is not a price anybody was offered. The 41 figures a reader never sees works through what they are and why they are kept.
The same offer, counted once
A third question is duplication. Sellers routinely print the same offer twice — once on a category page and once on the product page, or once in a plan card and once in a comparison table. 32 of the 382 figures here are a second copy of an offer already recorded, which leaves 350 distinct ones.
Both copies are kept, and only one is counted. Deleting the second would lose the fact that a seller says the same thing in two places; counting it would inflate every count on this site by the number of times a company repeated itself.
Why these cannot be collapsed into one column
A single column headed “price” would have to hold all six kinds. Sorting it by amount would put a lower bound above a monthly charge above a six-month total, and print the result as a comparison. That is why this site has no such column, and it is the reason the index groups sellers by what kind of number they publish before it shows any number at all.
The rest of this site is built on the same distinction. The reviews hub groups all 110 sellers by which kind of number they print, and each seller’s own page lists every figure it publishes with the kind, the cycle and the date attached to each.
What this page cannot tell you
It cannot tell you which kind of figure a seller ought to publish, and it does not treat a “from” price as a failing. A floor is a legal, ordinary and often reasonable thing to print. What this page claims is narrower: that the six are different facts, that a reader deciding between two sellers needs to know which one they are looking at, and that a comparison which mixes them is not a comparison.
It also cannot tell you what a price excludes. What a seller says a figure covers is recorded here; what it leaves out is not, so a shipping charge, a consultation fee or a required blood test can sit outside every number on this site.
Which named plan does a figure belong to? A seller publishing four figures usually names them — a monthly plan, a three-month plan, a starter tier — and what is held here is the figure, the billing cycle and the dose, not the seller's own name for the package.
Someone reading each page again and writing down the plan name beside each figure, word for word. Until that happens, two figures from one seller can be seen to differ without anything saying what the seller called each one.
Where on the page did a figure sit? That is what separates a price a reader can see from one buried in the page's markup, and it is held here as a yes or no rather than as a place on the page.
Someone reading each page again and writing down where each figure sat: the banner, a plan card, a comparison table, a block of structured data. The call about what counts as published would then be checkable rather than simply stated.
Follow the method through a concrete record: the Arc-1 review labels starting figures as starting figures, the AquaVita NextGen review preserves a program total, and the RxSpan MD review labels first-month figures separately. Each review shows its source and reading date so you can see why those figures belong in different comparison groups.
Read next
About this page
Nothing here is medical advice, diagnosis or treatment. This is a price index, and pages like this one exist because a reader cannot judge a price without knowing what the thing is. Talk to a licensed clinician before starting or stopping anything, and see the medical disclaimer.
Every count above comes from reading 110 sellers’ own pages, and each one is worked out again every time this page is built, so it cannot drift from the tables and the reviews it is drawn from. If something here is wrong, the corrections page says how that gets fixed and what has been fixed before.
Where these figures come from
These counts describe the recorded pricing information for 110 NAD+ sellers: 382 figures in all, representing 350 distinct offers after 32 repeat observations of the same offer are set aside. Of the recorded figures, 41 appear only in page markup, rather than visibly on the seller’s page.
Current source readings span September 2026 to October 2026. Each price retains the date of its own source observation. A latest source date does not mean that every provider was checked again then. Earlier price checks are retained for 14 of the 110 providers; their review pages show those readings separately. A source period alone does not establish that a price rose, fell or stayed the same.
Each seller has a pricing review showing recorded prices or quote status, original payment qualifications and source dates, including labels for figures found only in markup. We retain the underlying merchant source records internally. Reviews show the recorded pricing evidence and link through to the provider so you can confirm current terms.