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Head-to-head · Cost-Efficiency Index

Bloom MD vs Onyx Weight Loss

Two GLP-1 programs on the bench, scored on the same six factors. Here's how their real cost of ownership compares — and which one we'd start with.

Better valueGrade C · #396

Bloom MD

Shoppers who want to see exact dose-by-dose pricing before signing up, for either compounded or branded GLP-1s.

Visit Bloom MD
VS
Grade C · #402

Onyx Weight Loss

Patients located in one of Onyx's 8 served states who want a boutique, NP-led clinic bundling weight loss with hormone and peptide care.

Visit Onyx Weight Loss

The verdict

Too close to callGrade C vs C

Bloom MD and Onyx Weight Loss tie on the Cost-Efficiency Index at 51/100, so neither wins outright on the numbers. For most shoppers we'd start with Bloom MD (ranked #396, a hair above #402) — Shoppers who want to see exact dose-by-dose pricing before signing up, for either compounded or branded GLP-1s. But Onyx Weight Loss is a genuine coin-flip alternative here.

Worth knowing either way: our overall #1 pick is CoreAge Rx (Cost-Efficiency Index 94/100 — the top of the ranking). See how it stacks up: CoreAge Rx vs Bloom MD.

Factor by factor

Both providers scored on our six Cost-Efficiency Index factors. The stronger side on each row is marked in teal.

Normalized Cost/Month

30
45

Price Transparency

64
54

Nationwide Access

24
42

Formulation Options

79
40

Clinical Oversight

82
76

Contract Flexibility

41
55

Pricing, coverage & formulary

The disclosed facts behind the scores. Lower price wins its row (teal).

SpecBloom MDOnyx Weight Loss
Cost-Efficiency Index51/10051/100
Semaglutide / mo$295/mo (starting dose, plus a separate fee, compounded)Not disclosed
Tirzepatide / mo$295/mo (2.2 mg dose, plus a separate fee, compounded)Not disclosed
Semaglutide / yr (modeled)$3,540
Tirzepatide / yr (modeled)$3,540
CoverageCoverage not published8 states
Oral / sublingualNoNo
Brand-name accessYesCompounded only
Rank here#396#402

Bloom MD

51/100

Where the value is

  • Rare in this batch: publishes exact dollar pricing for every dose tier, pre-signup
  • No hidden membership fee on compounded products -- price shown is the full price
  • Offers both compounded AND branded (Wegovy/Zepbound) pathways

The tradeoffs

  • No individual medical director named -- only a contracted provider group (MDI Medical Group PC)
  • No compounding pharmacy named
Visit Bloom MD

Full Bloom MD review →

Onyx Weight Loss

51/100

Where the value is

  • Clear, specific 8-state service list published
  • Bundles weight loss with hormone replacement and peptide therapy under one clinic
  • Small team with named founders and identifiable clinical staff

The tradeoffs

  • No pricing published anywhere on the public site
  • No physician/MD medical director -- leadership is NP/RN-only
Visit Onyx Weight Loss

Full Onyx Weight Loss review →

Assume any provider we list may compensate us — we may earn a commission, at no cost to you. It never changes the Cost-Efficiency Index. Pricing, states and verification reflect each provider's public disclosures at last review; prices change — confirm on the provider's site. Not medical advice. See our disclosure.

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