Elisa Karhu

Professional runner

After running competitively under a coach for three and a half years I found myself experiencing a shift in my view towards training. With the old methods I felt I was not improving anymore and my mind and body did not feel whole. I then took the leap to start coaching myself and focus on bringing together all the pieces of successful training: workouts, rest, and nutrition. I slowly shifted to a less processed, plant-rich diet and my running performance improved tremendously!

So I began to do more research in natural ways I could enhance my marathon times and stumbled across Four Sigma Foods. I was so fascinated that nature could provide such a boost to health and fitness as I was always put off by any synthetic sports supplements. I contacted the FSF crew and got to try the products. Instantly I was hooked! These guys know what they are doing!

I now use the sport herbs regularly to give me a boost in workouts and races. And no day starts without some Chaga in my coffee. As an athlete, it is extremely important to stay healthy to get in quality training. I believe instant Chaga has given my immune system a boost to protect against all the pathogens I encounter during my days in school.

Quality in supplements is important and I love that FSF products only contain the real deal! No fillers or sugars or other nasty chemicals. Four Sigma Foods has helped me train hard and recover fast to take my running to the next level!

FSF Mushroom Beverages

Just add a sachet of instant mushroom powder to hot water and reap the benefits.

FSF Adaptogenic Herbs

Upgrade your daily water consumption with one stick bag of these full-spectrum herbs.

FSF Superfood Blends

Superfood spices designed to boost your favorite juices, smoothies or basically any recipes.

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Four Sigmatic is a superfood company started by group of Finnish Funguys who got sick of using mushroom supplements that don't work. The company wants to help popularise medicinal mushrooms like chaga, reishi, cordyceps, and lions mane with products like mushroom coffee and hot cocoa. The company was started in 2012 and launched it's products in the United States in 2015.

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