SecondKind is the world’s first postbiotic-first supplement brand, designed to deliver fast, felt results in mood, clarity, and gut health. No probiotic hype. No “may help.” Just clinically studied compounds your body actually uses—often felt in days.

This is gut health for your second brain.

Why partner with Second Kind?

• 20% commission
• Free products so you can feel it before you share it
• A premium, science-backed brand your audience will trust
• A real story to tell - not another gut supplement

What working with us looks like

We build real partnerships - not one-off posts.

You’ll have:

• Creative freedom to share your honest experience
• Direct access to our team for science, context, and support
• Clear briefs, fast approvals, and thoughtful collaboration
• Long-term potential with a brand leading a new category

This isn’t an affiliate program.

It’s a category shift.

If you believe wellness should work - and feel human, honest, and real - come help us lead what’s next.

The Postbiotic Era starts here.