ReadyRx vs RXSpan: NAD+ Therapy Compared
ReadyRx starts at from $84 and offers injection + nasal spray, while RXSpan starts at ~$249 (recurring) with not disclosed. Below we line them up on price, delivery formats, dosing, shipping, and overall value so you can see which prescription NAD+ provider fits you best.
- Physician-Prescribed Only
- 32 Providers Compared

ReadyRx
A 100% online medical visit, 500mg to 1,000mg NAD+ injections from $84, and the same price at every dose with free 1–2 day shipping.
Visit ReadyRx →
RXSpan
NAD+ treatment starting at approximately $249. Online medical consultation included; recurring billing shown before checkout.
Visit RXSpan →| Feature | ReadyRx | RXSpan |
|---|---|---|
| Editorial score | 9.35 / 10 | 7.90 / 10 |
| Starting price | From $84 | ~$249 (recurring) |
| Renewal / ongoing | Same price at every dose | Recurring; shown before checkout |
| Delivery formats | Injection + nasal spray | Not disclosed |
| Dose strengths | Injection 500/1000mg; nasal 4,500mg | Not disclosed |
| Shipping | Free — arrives in 1–2 days | Not stated |
| Membership / fees | None — cancel anytime | None |
| Guarantee | Refundable if not eligible | — |
| Best for | People who want a fully online NAD+ program with one price at every dose, no membership, and fast free shipping | People who want a physician-consulted NAD+ plan with clear recurring billing before checkout |
Where ReadyRx stands out
- + Lower entry price — From $84
- + More delivery formats — injection + nasal spray
- + Backed by a refundable if not eligible
- + Higher editorial score (9.35 vs 7.90)
Where RXSpan stands out
RXSpan is closely matched with ReadyRx on the headline metrics — the deciding factors come down to delivery format and the specifics below.
Pros & cons, side by side
ReadyRx
Pros
- + Same price at every dose, so titrating up does not raise the bill
- + Prescription and telemed visits included, and no insurance is required
- + Both injection (500–1,000mg) and a high-strength 4,500mg nasal spray
- + Free shipping that typically arrives in 1–2 days
- + No monthly membership and no hidden fees — cancel anytime
Cons
- − Live pricing is shown after you start the online intake
- − Not specialized exclusively in NAD+
RXSpan
Pros
- + Online medical consultation included
- + Recurring billing shown before checkout
- + Fully online process
Cons
- − Higher starting price than many competitors
- − Compounded NAD+ — not an FDA-approved finished product
The verdict: ReadyRx vs RXSpan
In our editorial ranking, ReadyRx places higher (#11 vs #26), making it the default pick for most readers — it's best for people who want a fully online NAD+ program with one price at every dose, no membership, and fast free shipping. That said, RXSpan is the stronger choice for people who want a physician-consulted NAD+ plan with clear recurring billing before checkout. Both are prescription NAD+ services, so the right answer depends on the delivery format and price structure that match how you want to start.
More head-to-head comparisons
Pricing and product details were verified against each provider's official pages and may change — always confirm current terms on the provider's site. Rx required; a licensed provider determines whether NAD+ therapy is appropriate for you. We may earn a commission from links on this page, which never affects our rankings.