GLP Watchdog

CoreAge Rx vs Oak

Neither CoreAge Rx nor Oak has an FDA warning letter on record. On compounded semaglutide injection, CoreAge Rx costs $2,052 less a year at standing rates: $79 a month against $250 a month at Oak. It is one of two products the two sell at comparable terms.

To see where both sit among the other sellers, read our best weight-loss injection providers board.

By Ruth Calder · Enforcement Editor
Editorially reviewed. Not medical advice · How we verify contentLast reviewed

The record

CoreAge Rx / Oak

CoreAge Rx logo

CoreAge Rx

9.0/10

Oak logo

Oak

7.2/10

FDA warning letters
None on record
None on record
Pharmacy
None named in our record
None named in our record
Lowest standing price
$79/moCompounded semaglutide injection
$100/moBrand-name semaglutide pill, billed every 4 weeks
States
48 states
48 states
Checked
Prices captured Record checked November 2026
Prices captured Record checked October 2026
Visit CoreAge Rx
Visit Oak

Both CoreAge Rx and Oak are affiliate partners: we are paid if you sign up through our links. Neither is featured. Scores are computed the same way for both (CoreAge Rx 9.0, Oak 7.2). How we are paid

What the record shows

  1. 01

    Neither CoreAge Rx nor Oak has an FDA warning letter on record.

  2. 02

    Neither names the pharmacy that compounds its medication.

  3. 03

    On compounded semaglutide injection, CoreAge Rx costs $2,052 less a year at standing rates: $79 a month against $250 a month at Oak. It is one of two products the two sell at comparable terms.

  4. 04

    Only Oak lists a price for brand-name semaglutide pen, brand-name tirzepatide pen and compounded oral semaglutide.

  5. 05

    CoreAge Rx covers one state Oak does not and Oak covers one state CoreAge Rx does not.

Prices and terms, product by product

A price is set against the other side only for the same product, and only when both are standing monthly or 4-week rates. Those pairs are compared by yearly cost.

CoreAge Rx

Oak

Compounded semaglutide injection

$79/moLower

$948 a year

$250/mo

$3,000 a year

Compounded tirzepatide injection

$129/moLower

$1,548 a year

$300/mo

$3,600 a year

Brand-name semaglutide pen
Not sold or not priced

$1,250/mo

$16,250 a year, 13 charges

Brand-name tirzepatide pen
Not sold or not priced

$1,200/mo

$15,600 a year, 13 charges

Compounded oral semaglutide
Not sold or not priced

$260/mo

$3,380 a year, 13 charges

Brand-name semaglutide pill
Not sold or not priced

$100/mo

$1,300 a year, 13 charges

Price includes
Medication, clinician visits, shipping
Medication, shipping, coaching
Cancel any time
Yes, stated
Yes, stated
Minimum term
None
None (3-, 6- and 12-month plans optional)
Refunds
Refund before provider approval, less a $50-$100 consult fee; final once sent to the pharmacy; none after 30 days
No refunds once a provider approves the order
Early-exit fee
None stated
Yes

Read off each seller’s own pages. CoreAge Rx: November 5, 2026. Oak: October 30, 2026. Every plan and dose we hold is on the full review.

The case for each

The case for CoreAge Rx

9.0/10
  • $2,052 a year less on compounded semaglutide injection
  • $2,052 a year less on compounded tirzepatide injection
  • Names no compounding pharmacy
Visit CoreAge Rx

The case for Oak

7.2/10
  • Sells brand-name semaglutide pen and brand-name tirzepatide pen, which CoreAge Rx does not price
  • Names no compounding pharmacy
Visit Oak

Scores

CoreAge Rx 9.0 · Oak 7.2 out of 10. Six weighted parts.

Value25%

10.0A
vs
B
3.1

Effectiveness25%

10.0A
vs
B
10.0

User Experience15%

8.0A
vs
B
8.0

Trust & Safety15%

7.5A
vs
B
7.5

Accessibility10%

9.7A
vs
B
9.7

Support10%

7.0A
vs
B
6.0

The score is the same formula for every seller. Payment does not enter it. Method

CoreAge Rx vs Oak: questions

Neither CoreAge Rx nor Oak has an FDA warning letter on record. Letters are matched to a seller by company, domain and address, never by a similar name.
Neither names the pharmacy that compounds its medication.
CoreAge Rx, by $2,052 a year at standing rates. CoreAge Rx: $79 a month, about $948 a year. Oak: $250 a month, about $3,000 a year.
CoreAge Rx states you can cancel at any time; refunds: refund before provider approval, less a $50-$100 consult fee; final once sent to the pharmacy; none after 30 days. Oak states you can cancel at any time; refunds: no refunds once a provider approves the order.
Both CoreAge Rx and Oak are affiliate partners: we are paid if you sign up through our links. Neither is featured. Scores are computed the same way for both (CoreAge Rx 9.0, Oak 7.2).

Other sellers we are paid by

Affiliate partners outside this pair. Each has its own record and review, scored the same way.

Sellers closest to these two

Matched on molecule, form and price. Every pair we list · The register

Brand names on this page are registered marks. Novo Nordisk holds Wegovy®, Ozempic® and Rybelsus®; Eli Lilly holds Zepbound®, Mounjaro® and Foundayo®. Neither company has any tie to GLP Watchdog. Trademarks