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About Us

Quality Promise

Four Sigmatic

Do you have a refer-a-friend program? How does it work?

Where can I find the products near me?

How many mushrooms can I take in a day? Can I combine mushrooms?

Do you offer samples?

Can I take these products while pregnant or nursing?

Where can I find the ingredients and nutritional breakdown for each of your products?

What is the difference between all of your bagged coffees?

How do your coffees compare to regular coffee?

Do your coffee products contain real coffee?

What is the difference between the Organic Coffees and Organic Elixirs?

What is the difference between an Organic Elixir and an Organic Blend?

What is an Organic Elixir?

Do you have a decaf organic coffee?

What coffee makers/brewers can I use?

How do I prepare your Organic Coffees?

Do you offer a whole bean option?

Frequently Asked Questions

US and Canada Shipping Rates and Times

International Shipping Rates and Time

How do I cancel an order?

Returns & Refunds

Where can I buy these products? Do you have resellers / distributors?

Discount Codes

How do I reset my password?

I can't log into my account, what do I do?

Ordering + Shipping

How do I become a subscriber?

How do I log in and manage my subscription?

Can I change the frequency of my shipments after my initial order?

Will I receive free shipping?

Can the products within my subscription vary or do I need to keep them the same with each order?

How do I cancel my subscription?

Subscription

Do you test your coffee for mold/mycotoxins?

What is Prop 65?

Common allergen information

Mushroom Safety

What are functional mushrooms?

Mushroom Science

Are the products certified organic?

How much caffeine is in your products?

Which products are sweetened/unsweetened?

What kind of Stevia do you use?

Are the canisters filled to the top?

Product Information

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Customer Support

The Shroom Room

Affiliate / PR / Partnerships

Becoming a reseller - United States

Becoming a reseller - Europe/International

Want to become a reseller?

Product Donation + Event Samples

Influencer Collaboration

Social Media Inquiries

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