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Actin vs Arc-1

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

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7.0

Actin

Best for affordable compounded semaglutide with B12 enhancement
★★★3.5

Starting at $133/mo

Compounded SemaglutideB12 Enhanced
Visit Actin
6.4

Arc-1

Best for patients seeking per-dose compounded GLP-1 without subscriptions
★★★☆☆3.2

Starting at $250/mo

Compounded SemaglutideCompounded Tirzepatide
Visit Arc-1

Side-by-Side Comparison

FeatureActinArc-1
Overall Score7.0/106.4/10
Starting Price$133/mo$250/mo
Editorial Rating3.5 ★ /53.2 ★ /5
Features2 features2 features
States Available00
Compounded✓ Yes✓ Yes
Brand Name
FSA/HSA Accepted
FDA WarningsNoneNone

Pros & Cons

Actin

Pros

  • Semaglutide + B12 combination for added energy support
  • Transparent pricing — exact cost shown upfront with no hidden fees
  • Competitive starting price from $133

Cons

  • Semaglutide only — no tirzepatide or liraglutide
  • No visible LegitScript or PCAB accreditation
  • State availability not disclosed
  • Broader platform (hormones, sexual wellness, hair health)

Arc-1

Pros

  • Both compounded semaglutide and tirzepatide available
  • Per-dose purchasing — no subscription or membership required
  • 25% off + free shipping promotional offer
  • Broader longevity formulary (Rapamycin, NAD+, Sermorelin)

Cons

  • No visible LegitScript or PCAB accreditation
  • No legal entity name or address disclosed
  • State availability not disclosed
  • Pricing is per-dose not monthly — higher doses are very expensive ($1,085-$1,585 for semaglutide 1.75-2.5mg)
  • No named clinicians or pharmacy partners

Our Verdict

Winner: ActinScore: 7.0/10

Actin edges out Arc-1 with a higher overall score of 7.0/10 and is particularly strong for affordable compounded semaglutide with B12 enhancement. Arc-1 remains a solid alternative, especially if you're looking for patients seeking per-dose compounded GLP-1 without subscriptions.

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