Refer A Friend and Earn Cash

30% All New Subscriptions | Shop All

How to Earn:

1. Invite Friends

Share your unique referral link with friends who will love Four Sigmatic.
2. Friend's Discount

Your friend gets a 20% discount on their first purchase using your referral link.
3. Earn Cash

For every friend who makes a purchase, you earn $10 in actual cash.

Know someone who needs to try Four Sigmatic?

Love your morning Mushroom Coffee? Spread the joy with your friends! Invite them to join us, and you’ll earn $10 for every successful referral. Plus, your friend will enjoy a 20% discount on their first purchase.

Get your referral link

Mush Love from Millions A decade of mushroom love, shared by a community that's enjoyed over 100 million cups and given us 100,000 five-star reviews. Start sharing

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