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CoreAge Rx vs Rivas Medical Weight Loss

An in-depth comparison of two leading GLP-1 Providers

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By Ruth Calder · Enforcement Editor
Editorially reviewed & fact-checked against primary sources · How we verify contentLast reviewed
CoreAge Rx logo

CoreAge Rx

9.1
★★★★4.6/5

Best for: semaglutide at $99/month, 48% under the register median

Visit CoreAge Rx
VS
Rivas Medical Weight Loss logo

Rivas Medical Weight Loss

5.8
★★☆☆2.9/5

Best for: compounded semaglutide at $498/month

Visit Rivas Medical Weight Loss

Two GLP-1 Providers chasing the same patients, trading off price, geography and what lands in the box differently. On our scoring, CoreAge Rx opens cheaper — $99/mo against $498, and CoreAge Rx finishes ahead, 9.1 to 5.8. What follows: the prices, what each plan actually covers, the six-dimension score, where each one is weak, and who should pick which.

Pricing

CoreAge Rx

Injectable, monthly auto-refill (flat across all dosages)Compounded
$99/mo
semaglutide

Re-verified 2026-08-05: homepage + Preventive Longevity section both show "Semaglutide — Starting at $99/mo", "Same price at every dose"; supersedes stale tiered pricing captured 2026-06-05.

Injectable, monthly auto-refill (flat across all dosages)Compounded
$149/mo
tirzepatide

Re-verified 2026-08-05: homepage GLP-1 hero + Preventive Longevity section both show "Tirzepatide — Starting at $149/mo", "Same price at every dose"; supersedes stale tiered pricing captured 2026-06-05.

Rivas Medical Weight Loss

Any doseCompounded
$498/mo
semaglutide

billed $115/week for any dose; all-inclusive (visit + medication); ~$498/mo equivalent

Any doseCompounded
$715/mo
tirzepatide

billed $165/week for any dose; all-inclusive (visit + medication); ~$715/mo equivalent

What’s included

CoreAge Rx

Covered by the monthly price

Medication

In the price

Clinician visits

In the price

Shipping

In the price

Lab work

Not stated

Coaching

Not stated

Rivas Medical Weight Loss

Covered by the monthly price

Medication

In the price

Clinician visits

In the price

Shipping

Not stated

Lab work

Not stated

Coaching

Not stated

Score breakdown

Both providers are scored on the same six-dimension framework. The gradient bar marks the stronger side on each dimension.

CoreAge Rx

9.1/10

Overall

Rivas Medical Weight Loss

5.8/10

Value25%

9.7A
vs
B
0.0

Effectiveness25%

10.0A
vs
B
10.0

User Experience15%

8.0A
vs
B
8.0

Trust & Safety15%

8.5A
vs
B
8.5

Accessibility10%

10.0A
vs
B
2.5

Support10%

7.0A
vs
B
5.5

Features & Coverage

FeatureCoreAge RxRivas Medical Weight Loss
Starting Price$99/mo$498/mo
Features6 features6 features
States Available503
Compounded✓ Yes✓ Yes
Brand Name
FSA/HSA Accepted
FDA WarningsNoneNone

About CoreAge Rx

Shipping is free, 2-day, and reaches all 50 states. CoreAge Rx sells LegitScript-verified compounded semaglutide plus tirzepatide, with licensed physicians behind it and 24/7 support. Its own claim: nobody in the compounded GLP-1 space prices more competitively.

Read our full CoreAge Rx review →

About Rivas Medical Weight Loss

Billing is weekly rather than monthly, and the dose never changes it: $115/week for compounded semaglutide, $165/week for compounded tirzepatide, each week's figure paying for a provider visit as well as the drug. Paul Rivas MD LLC pairs telehealth with 15 physical clinics spread over Maryland, Virginia and Florida. Seeing a provider every week costs more than ordering by mail from competitors.

Read our full Rivas Medical Weight Loss review →

Pros & Cons

CoreAge Rx

What we like

  • Semaglutide at $99 a month, 48% below the $189 median for the same drug and form across this register
  • Tirzepatide at $149 a month, 44% below the $267 median for the same drug and form across this register
  • Publishes a price on its own site before the medical questionnaire, so it can be compared without handing over health information
  • The monthly price is recorded as flat across doses, so it does not climb as the dose is titrated up
  • The monthly figure covers medication, consult, shipping
  • Coverage is published for all 50 states
  • No FDA warning letter matched this operator when we searched our enforcement register

Watch-outs

  • No dispensing pharmacy is named in our record, so its accreditation cannot be looked up from here
  • Its semaglutide and tirzepatide are compounded rather than FDA-approved, so they have not been reviewed by the agency for safety, effectiveness or manufacturing quality

Rivas Medical Weight Loss

What we like

  • Publishes a price on its own site before the medical questionnaire, so it can be compared without handing over health information
  • The monthly price is recorded as flat across doses, so it does not climb as the dose is titrated up
  • The monthly figure covers medication and consult
  • No FDA warning letter matched this operator when we searched our enforcement register

Watch-outs

  • Semaglutide at $498 a month, 163% above the $189 register median for the same drug and form
  • Tirzepatide at $715 a month, 168% above the $267 register median for the same drug and form
  • Coverage is published for 3 states only, so this may not reach you
  • No dispensing pharmacy is named in our record, so its accreditation cannot be looked up from here
  • Its semaglutide and tirzepatide are compounded rather than FDA-approved, so they have not been reviewed by the agency for safety, effectiveness or manufacturing quality

Our Verdict

Winner: CoreAge Rx

CoreAge Rx takes it, 9.1 against 5.8, and it is especially strong on semaglutide at $99/month, 48% under the register median. Rivas Medical Weight Loss is no weak second and may fit you better on compounded semaglutide at $498/month.

Choose CoreAge Rx if…

You want semaglutide at $99/month, 48% under the register median and an opening price near $99 a month.

Choose Rivas Medical Weight Loss if…

You want compounded semaglutide at $498/month and an opening price near $498 a month.

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CoreAge Rx vs Rivas Medical Weight Loss: FAQ

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