Blog

Industry + operational reality.

Market analysis, regulatory landscape, and platform commentary for peptide brand operators.

September 2026
Guide··8 min read

Email deliverability for peptide brands

SPF, DKIM, DMARC, one-click unsubscribe, spam rates and warm-up. How peptide brands reach the inbox at Gmail, Yahoo and Outlook.

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Platform policy··8 min read

Which email platforms allow peptide brands? The 2026 policy table

We quoted the acceptable use policy of Klaviyo, Brevo, Mailchimp, Omnisend, ActiveCampaign and Sendlane on peptides and research chemicals. Checked Sept 2026.

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Platform policy··5 min read

Does Klaviyo allow peptide brands?

Klaviyo's policy never says peptide. What it does say, how account review works, and what to do if your account was disabled. Checked Sept 2026.

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Compliance··7 min read

FDA warning letters to peptide sellers in 2026: what they cite

We read the eleven FDA warning letters sent to online peptide sellers in 2026. What they cite as evidence, and what it means for your pages and emails.

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Guide··6 min read

Moving from Klaviyo or Brevo: a step by step guide

Export contacts and suppressions from Klaviyo or Brevo, import with consent intact, prove your domain, rebuild flows and warm up. In order.

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Email··8 min read

The email flows every peptide brand should run

Welcome, abandoned checkout, abandoned cart, browse, post-purchase, back in stock, win-back and sunset: what each does and the words to keep out.

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May 2026
Industry··8 min read

Why Shopify Keeps Banning Peptide Brands in 2026

Shopify, Stripe, and the mainstream e-commerce stack are dropping peptide brands at an accelerating rate. Here's why it's happening and what operators are doing about it.

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Market analysis··10 min read

The State of Peptide DTC in 2026: Market Growth, Players, and Where It's Going

The peptide DTC market grew 200%+ in 2024-2025, fueled by the GLP-1 wave. Here's what the category looks like in 2026, who's winning, and the structural shifts ahead.

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Industry··9 min read

What the GLP-1 Boom Means for the Rest of the Peptide Market

Semaglutide pulled an entire category into the spotlight. Here's how the GLP-1 wave changed consumer awareness, regulatory scrutiny, and ad platform behavior for every other peptide brand.

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Platform policy··11 min read

Meta's Restricted-Product Policy, Explained for Peptide Brand Operators

Meta's restricted-product policy is the single biggest reason peptide ad accounts get disabled. Here's what the policy actually says and how Meta enforces it.

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Infrastructure··9 min read

Stripe Alternatives for Peptide Brands in 2026

Stripe drops peptide brands. Here are the payment processors that actually work for the category in 2026 — high-risk credit, bank rails, crypto — plus the tradeoffs.

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Compliance··12 min read

The Peptide Brand Compliance Landscape in 2026: Federal, State, and Platform Layers

Three independent compliance regimes apply to every peptide brand: federal (FDA, FTC), state (pharmacy boards, AGs), and platform (Meta, Stripe, Shopify). Here's the current landscape.

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