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We're here to help! Please contact our team at support@foursigmatic.com.

We're available Monday - Friday, 9:00 am to 5:00pm PDT.  

You can expect a call back within 24-48 hours.

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About Us

Quality Promise

Four Sigmatic

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p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 13.0px 'Helvetica Neue'} span.s1 {color: #dca10d}
</style>PHONE: You can call us anytime to speak to our amazing team at +1(213)-699-4616.CHAT: Our team is online Monday-Friday 9-5 PST. Send us a chat for immediate support.

We are here to help Monday - Friday 9 am-5 pm PST!
EMAIL: You can email us anytime to receive customer support: support@foursigmatic.com.  We do our best to respond within 24-48 hours!
MUSHROOM MEMBERSHIP: You can email us anytime to receive customer

Customer Support

Where do I start?

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?

How much caffeine do the products contain?

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 track my order?

How do I cancel an order?

Returns & Refunds

Customs Fees and VAT Charges

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

Discount Codes

What countries do you ship to?

How do I reset my password?

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

Ordering + Shipping

Do you test your coffee for mold/mycotoxins?

Four Sigmatic Product Quality Standards

What is Prop 65?

Are your products vegan and gluten free?

Common allergen information

Can I consume these products while pregnant or breastfeeding?

Can children have these products?

Could I have an allergic reaction?

Mushroom Safety

What are functional mushrooms?

Where can I learn more about mushrooms?

What is extraction?

Are there molds/toxins in the mushroom extracts?

Are functional mushrooms legal?

Mushroom Science

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

Do these products contain psilocybin / will they make me hallucinate?

Are the products certified organic?

Do you use fruiting body or mycelium in your products?

Where do you source the mushrooms?

Are your products kosher?

What is the shelf life of your products?

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

Contact Us

The Shroom Room

Becoming an Affiliate

PR / Press inquiries

Where can I find your brand materials and logos?

Affiliate / PR / Partnerships

Becoming a reseller - United States

Becoming a reseller - Canada

Becoming a reseller - Europe/International

Want to become a reseller?

Product Donation + Event Samples

Influencer Collaboration

Social Media Inquiries

Contact UsUpdated an hour ago