Arbor vs Idun Rx
Idun Rx is cheaper to start ($57 vs $89 a month, lowest published plans). Idun Rx scores higher overall (8.7 vs 8.3).
By Julian Caraulani · prices checked
Quick verdict
Our pick between the two: Idun Rx
Idun Rx scores 8.7/10 against 8.3 for Arbor, ahead on price transparency. Arbor can still be the better fit: it is best for people who want one flat price for sermorelin, NAD+ or glutathione with no membership on top.
Side by side
| Arbor | Idun Rx | |
|---|---|---|
| Lowest price | $89/mo (From price; the page does not say which term it needs. Billed monthly or prepaid for 3, 6 or 12 months) | $57/mo (12-month plan, listed per month (upfront billing not stated)) |
| Our score | 8.3/10 | 8.7/10 |
| Treatments | Sermorelin, NAD+, Glutathione | Sermorelin, NAD+, Glutathione |
| Medication in price | Included | Included |
| Drugs dispensed | Compounded | Compounded |
| Labs | Ongoing clinician check-ins; no lab panel stated | Optional at-home lab panels, sold separately |
| Membership | None | None |
| Insurance | No (HSA/FSA eligible) | No |
| States | Not confirmed: no state list found on its own site (2026-11-06) | Not confirmed: no state list found on its own site (2026-10-29) |
| Cancellation | Cancel anytime to stop renewals; full refund if a clinician does not approve you; payment is non-refundable once a prescription is written | Cancel a subscription in your account before the next order ships |
| Trustpilot | No profile we could quote | No profile we could quote |
| Best for | People who want one flat price for sermorelin, NAD+ or glutathione with no membership on top. | People who want sermorelin, NAD+ or glutathione from one program and will commit to a longer plan. |
Price by treatment
The lowest all-in plan each publishes for the treatments both offer, with the page we read it on.
| Treatment | Arbor | Idun Rx |
|---|---|---|
| Sermorelin | $99/mo (From price; the page does not say which term it needs. Billed monthly or prepaid for 3, 6 or 12 months) source, 2026-11-07 | $94/mo (12-month plan, listed per month (upfront billing not stated)) source, 2026-11-07 |
| NAD+ | $99/mo (From price; the page does not say which term it needs. Billed monthly or prepaid for 3, 6 or 12 months) source, 2026-11-07 | $109/mo (12-month plan, listed per month (upfront billing not stated)) source, 2026-11-07 |
| Glutathione | $89/mo (From price; the page does not say which term it needs. Billed monthly or prepaid for 3, 6 or 12 months) source, 2026-11-07 | $57/mo (12-month plan, listed per month (upfront billing not stated)) source, 2026-11-07 |
Arbor: a closer look
Sermorelin and NAD+ from $99 a month and glutathione from $89, no membership fee, physician review and shipping included.
In its favour
- Medication, supplies and physician review in one published price
- No membership fee
- Sermorelin, NAD+ and glutathione from one program
To weigh
- Only from prices are published; the price for each plan length appears at checkout
- Prepaid plans are paid in full at the start of the term
- Pharmacy and states served are not named
Idun Rx: a closer look
Sermorelin, NAD+ and glutathione plans with medication and provider review in the price, from $57 a month on 12 months.
In its favour
- Medication and provider review inside one published price
- Sermorelin, NAD+ (injection or nasal) and glutathione from one program
- No membership fee
To weigh
- The lowest prices need a 12-month plan, and the site does not say if it is billed upfront
- Pharmacy and states served are not named
- No Trustpilot rating we could read
Which should you choose?
Choose Arbor
Best for people who want one flat price for sermorelin, NAD+ or glutathione with no membership on top. Its lowest all-in plan is $89/mo (From price; the page does not say which term it needs. Billed monthly or prepaid for 3, 6 or 12 months).
Check Arbor's priceChoose Idun Rx
Best for people who want sermorelin, NAD+ or glutathione from one program and will commit to a longer plan. Its lowest all-in plan is $57/mo (12-month plan, listed per month (upfront billing not stated)).
Check Idun Rx's priceArbor vs Idun Rx: questions people ask
Is Arbor or Idun Rx cheaper?
Idun Rx starts lower at $57 a month versus $89 at Arbor, comparing each program's lowest all-in plan.
Which is better, Arbor or Idun Rx?
On our published score Arbor rates 8.3 and Idun Rx rates 8.7. Arbor is best for people who want one flat price for sermorelin, NAD+ or glutathione with no membership on top; Idun Rx is best for people who want sermorelin, NAD+ or glutathione from one program and will commit to a longer plan.
Do Arbor and Idun Rx offer the same treatments?
Arbor: Sermorelin, NAD+, Glutathione. Idun Rx: Sermorelin, NAD+, Glutathione.
Does either include the medication in the price?
Arbor: included. Idun Rx: included.
Rx Peptides Watchdog is for information only and is not medical advice. Compounded peptides are not FDA-approved; talk to a licensed clinician about whether one is right for you. Compare other programs.