Raw food author, educator and mother katesmagicbubble.com / UK

I can carry a Four Sigma Foods sachet with me in my bag and have one of the best cups of tea in the world, any time, any place. Good for you, delicious, and easy to use – what more could you ask for?

Natural Fertility Specialist, author, mother / Ireland

I’m not sure that I could choose my favourite Four Sigma tea because I love them all! Having a cup of the Chaga, Cordyceps or stamina tea each day will make a difference to your health- just try them!

Raw Food Artist, B.alive / Germany

I am not usually a big fan of supplements and also use maca, cacao and coconut rather for culinary pleasure. However, Instant Lion’s Mane REALLY works, at least on me!

Designer saint-pe.com, Trail runner / Hong Kong / France

My active lifestyle that combines work, training, and socializing is often very demanding. Instant Cordyceps gives me much needed extra energy, and it tastes really good.

Alpine skier, Junior Key Account Manager, Nestle / Switzerland

I need to find a way to best combine top level alpine skiing and a challenging job. That is not an easy task, but Instant Reishi has helped me in doing that.

Project Assistant, Kite Surfer / Ireland

My hunt for the highest quality stopped when I found the FSF mushrooms. Using them every day has relieved my stress and improved the quality of my life immensely. I feel my brain changing – full of energy and enthusiasm!

Student / Latvia

This product gave me more energy for everyday life. Life is about creating yourself better, stronger and happier. This product is the way to do though.

Chef, entrepreneur / Sweden

I make Chaga chai caramel lattes with the Instant Chaga and Licorice chocolate mousse with the Green honey+. Me and my foodies to friends just love it!

Master Student in Sweden / Spain

I train at least 4 times per week. After introducing Instant Reishi on my daily alimentation I realized that they lifted up my energy level allowing me to achieve more at the end of every day. That´s why I love it!

Doctor of Clinical Psychology / Switzerland / Ukraine

To deal with my heavy workload I was looking for the most natural and healthy solution to keep my energy up and I found Instant Reishi to be a great option. I appreciate the extended research put behind finding the high quality ingredients and the creativity of the FSF Team.

Artist, Actor, Writer and ex-Olympic Hurdler / Finland / Italy

Instant Chaga: It’s THE BOMB! Both the taste and the effects are truly amazing.

Model / Finland

I eat Party Honey because I enjoy it. It’s a nice bonus when something yummy is healthy as well.

Health Foodist / USA / Spain

Over 5 years I have gone through treatment after treatment blaming my body for trapping me with symptoms foreign to a 30 year old body; the miracle of FSF instants is that my body has become strengthened from the inside, and can now respond to treatments with mounds and mounds of boundless energy!

Student and NZ ironwoman champ / Australia / New Zealand

Came away with 3 gold medals and 2 bronze at the NZ championships! Each morning fueled with hot cup of Instant Cordyceps!

Ex-pro basketball player from Latvia / UK

I truly believe that Instant Chaga has helped me to stay healthier, more active and 100% efficient. I can recommend this amazing natural product made from Chaga to anyone. It definitely works!

Telemark Freerider / Switzerland

No need for cigarettes nor alcohol nor any chemical drinks. But need for FSF instant pow(d)er to ride out the hard Telemark-Freeheel-days in the mountains.

Mind and body trainer, mother / Estonia

I’ve always been a big coffee lover and in recent years I’ve noticed that whenever I’m hungry I grab a cup. My new replacement for coffee is Instant Chaga tea. The biggest difference between it and the caffeine based drinks is that the effect lasts longer.

QA Engineer, Ultimate Frisbee National and World Champion / California

Having the energy to train and prepare my body to compete at the highest level in Ultimate while working a full time job isn’t easy. FSF Instant Cordyceps has helped keep me feeling fresh in training and on the field. I

Professional football player / Finland

FSF products give me lots of extra energy and help me recover after a game or hard workout. I recommend these products to all who want to be healthier and more focused every day!

Professional MMA Fighter / Finland

I need to train hard, cut weight and stay healthy at the same time. FSF Reishi makes that a lot easier!

Gym addict / UK

The team and philosophy behind Four Sigma Foods are great and fascinating! FSF offers only natural products, the ‘blends’ being my favourite; due to being a sporty and active person.

Yoga Instructor / Canada

For my active lifestyle, it is important that I am nourishing my body with the best foods possible that are of superior quality and nutrient dense.These are components of Four Sigma Foods, in addition they are a company that shares the same values as me, and to me that is extremely important.

Medical Doctor / Finland

I’ve been familiar with the products and guys from FSF for a while now, but it never stops to surprise me how top notch and at the sharpest edge they are in providing the most amazing adaptogens to people! Amazing :)

Personal Trainer, packofpacks.com / Hong Kong

I hope more athletes and sports enthusiasts will find their favourite (FSF) blend to enhance their nutrition and with that their performance.

W Insider / Taiwan

Instant Reishi and Instant Cordyceps are smoothing drinks with Chinese herb fragrance. Take it in a consecutive a week every morning and before you sleep, one feels the energy level elevated profoundly.

TV/Radio presenter, journalist / Finland

I’ve been chagafriendly for few years now and when FSF introduced their reishi and cordyseps instabags, they fell right into my diet. I’m now healthier, more focused and never felt better! I also believe that a shroomrevolution is starting very soon.

Health & Life Coach, Yoga Teacher, nitawellness.com / The world

Four Sigma Food is a awesome company lead by a wonderful crew of passionate visionaries wanting to share pure inspiration, health and happiness throughout the world. The products are energizing and help anyone increase their immunity and performance.

Raw Dessert Chef, rawdessertcollection.com / Finland

A cup of instant tea makes me smile, the flavor and benefits are just great. I love all that FSF does to bring these amazing products available with style and knowledge.

Student / Switzerland / Russia

I like learning new things about health and I’m always open for trying new health products. For me Instant Reishi is a perfect replacement for coffee; it both tastes good and feels good!

Entrepreneur and MMA fighter / Finland

As a business owner and an athlete it is important to have stamina to train after a long day of work. FSF Reishi helps me with that!

Yoga teacher and corporate health consultant / Switzerland

I love Instant Reishi. It tastes good and is easy to use, compared to other reishi products. It gently lifts your energy, but without the harsh stimulant effect and subsequent ‘comedown’ of caffeine, meaning you sleep really well.

Professional cross-country skier / Finland

Since I started to use Instant Cordyceps and Instant Reishi, I’ve learned what it’s like to be a morning person.

Marketing Director, Dealfins / Finland

I work and train hard and to stay effective I need to have the best nutrition in my diet.

Accountant, SPORTFIVE International / Switzerland / France

After starting to use Instant Cordyceps it has given me a lot of extra energy and I believe it will increase my running speed in the future! I’m now looking forward to trying also the other Four Sigma Foods products.

Food Technologist, Nutritionist and Professional Taster / Switzerland

I have taken Instant Reishi for 1 month with few other herbs and together they have boosted my energy and immune system significantly. I would certainly recommend this product to everybody.

Geotechnical Engineer, 2-time Footbag Net World Champion / Finland

Balancing between training, work and family life, can be challenging. I believe that products like Instant Cordyceps might give you that little bit of extra you need. For me it’s also a great alternative for coffee.

Director / Hong Kong

After struggling with a persistent sporting injury, I turned to FSF products and after a few days I really noticed a positive impact, not only with regards to my injury but also my overall sense of wellbeing.

Professional Discgolfer / Finland

Earlier in my career I felt very tired on the last days of the longer tournaments. Usually I made the best score on the first day and worst on the last. Now with Instant Chaga, Reishi and Cordyceps I stay focused on the course and I can keep on my level until the last crucial throw.

Marketing Coordinator / Australia / France

Instant Cordyceps is just the perfect boost for a longer and faster run! It’s healthy, natural and ethical, oh, and it works :)

Discgolfer / Finland

I haven’t seen any dreams for many years, but now after using Reishi and Chaga I see the most amazing dreams and feel relaxed every morning; thank you FSF!

Executive Jet Broker / UK / Sweden

A cup of Instant Cordyceps in the morning gives me the same kick as coffee but without the acidic feeling. From now on I save my coffee for the afternoons where I can appreciate it more.

Performing Artist / France

Great products helping me feel better in all circumstances.

Footbag net player, Co-Founder of Eatiful / Finland

I love life. To live life to the fullest it takes more than just balls. It takes will, knowledge, heart and strategy. Superfoods including FSF products are part of my strategy that allows me to reach new levels.

Dancer, dance teacher, freelancer / Finland

My mind has to be clear and focused when I need to adapt to a new series of movement quickly and improve coordination. Instant Cordyceps also works well as a quick booster before workout!

Student / Switzerland / Vietnam

I’m constantly busy studying French and English while working in the hospitality industry. I found FSF product to be a great energy source to support my hectic lifestyle and the taste also reminded me of my childhood in Asia.

Professional Football Player / Finland

The game has been played 75 minutes and my body feels exhausted. The remaining 15 minutes will choose the winner. For those moments FSF has gave me the required extra boost of energy.

Sales & Business Development Executive / UK / Sweden

As I have just started to do my weekly runs it gives me that extra boost, and I felt even more healthy

Blogger (urbaanioranki.com), writer, health coach / Finland

Instant Reishi and Instant Cordyceps are great tasting products and contain some of the best possible ingredients for the modern human animal in need of the extra kick in the butt.

Art Director, Entrepreneur / France

I use Instant Cordyceps every morning before my jogging mixed in my smoothie. It gives me a very positive energy, much better than coffee and I feel this good energy all day long.

IFBB Pro Bikini Athlete, Mass Nutrition Athlete and trainer / Finland

THANKS to magnificent team of FSF for creating such great products and helping people – including myself – to become the best versions of themselves and enjoying life to its maximum!

Student / Sweden

I like to push myself physically as well as mentally and therefore I recently started using Instant Reishi. It gives me a natural energy boost which I greatly appreciate.

Graphic designer / France / Sweden

I’ve been working out for many years and have tried almost everything in dietary supplements, but Instant Cordyceps gives me that little extra. It gives me perfect energy and muscle recovery at the same time.

Health Foods Expert, Blogger (viidakkomies.com) / Finland

FSF products support me in expanding my freedom – from the all-too-common physiological realities that heavily limit what the everyday person can experience. Every edge I can take in expanding what my mind and body can endure & enjoy, I’ll have it! So should you.

Business Student / Finland

After my first marathon a couple years ago, my interest towards a healthier lifestyle grew as well. Four Sigma Foods enabled me to improve my quality of life.

Send the following information: - name - title - city and country (or state) - website - testimonial (keep it simple – 200 characters) - photo of you

to info(at)foursigmafoods.com

Cheers, FSF Team

Entrepreneur / Switzerland / UK

As regular coffee drinker I was looking for something that would give me as much satisfaction on the taste front but was better for my health. Instant Cordyceps proved to be a more than suitable replacement.

Partner Merchandiser, Dancer, Blogger / Finland

I travel, work and train a lot so I need a lot of energy during the day as well as sleep on the nights to stay healthy. FSF instants are easy and tasty to use when on the road, and they help me to keep up an active lifestyle by balancing and upgraiding my every day diet.

Student-Athlete / USA

Four Sigma Foods’ easy-to-use products fit perfectly my hectic lifestyle and will be part of my nutrition also in the future.

Nutritional therapist and student of functional medicine / Finland

As a nutritional therapist I value high quality products that really work. After trying FSF supplements, I was convinced that they are worth using on a daily basis and also recommending them to my clients.

Personal Trainer / Ireland

I am very impressed with Instant Cordyceps’s effects on my athletic performance and would without hesitation recommend it. Instant Cordyceps works quickly, effectively and most importantly will have measureable results to your performance.

Singer-Songwriter / Finland

How can they make it taste so good? As a singer I need to be in good condition to provide an intense performance. Instant Cordyceps boosts me for that and my heart beats an extra time for Instant Reishi in the end of the day.

Senior Controller at Credit Suisse / Switzerland / Hungary

My active lifestyle that combines work, training, and socializing is often very demanding. Instant Cordyceps gives me much needed extra energy, and it tastes really good.

Health & Quality Lifestyle enthusiast, Yogi, Web Developer / Finland

Pretty much 100% convinced that Nature can provide us everything we need for successful and healthy living. Medicinal mushrooms are one important piece of the puzzle!

Analyst / Finland

Blueberries, dates, cashew nuts and Instant Reishi, mix them in a blender and start a good day!

Legal Consultant / Hong Kong

After drinking Instant Reishi and Cordyceps regularly I feel like I have more energy at work and when doing my favorite exercise yoga. It helps me focus and achieve a healthy balance between work and exercise.

Tattooer, Amateur thriathlonist, Surfer / On the road

Life with active exercise is possible by taking care of chemical balance. Instant mushrooms and FSF blends are a great way to keep calm and well carried. Optimizing the peak performance and getting quick, balanced recovery helps me contain my energy levels while training and taking care of the every day life.

Rider, entrepreneur, sport enthusiast / Finland

FSF products provide a stable and long-lasting source of good drive. It feels like you’re burning wood, not just paper.

Brazilian jiu jitsu fighter / Finland

I use Cordyceps in my trainings, in jiu jitsu sparring you really need to be able to use your whole capacity of your lungs to maintain your performance! With Cordyceps you can feel the difference!

Online Advertising Specialist / Ireland / Switzerland

My active lifestyle and frequent travelling demand a lot of energy and focus to stay tuned. Instant Cordyceps gives me the extra boost when I need it. All natural of course – the only option for me!

Musician, student of holistic health / Finland

Instant mushroom products simply works. I can really feel the effect instantly. I have find great benefits from Lion’s mane when concentrating in music. Instant Reishi helps me to relax and Cordyceps gives me energy when it is needed.

Cross-country skier / Finland

Four Sigma Foods’ Instant Cordyceps and Instant Reishi have made me more energized and I’ve stayed healthier than before!

Entrepreneur / Russia

I had interesting exp about your products. I live in Saint Petersburg, Russia. And the weather is very crappy. So I had a lot of sudden headaches. After 2 weeks my head was really fresh. Nice feeling =)

Auditor / Finland

I like to eat healthy and natural foods that provide me the energy for my active lifestyle why I also like Instant Reishi.

Entrepreneur / Finland

More FSF products more energy. I think I´m a little addicted to those products.

Business Acquisition Manager / Germany

I do crossfit five times a week and play aussie rules twice. With Instant Cordyceps I’ve noticed a difference both in my performance during WODs and in my recovery. I feel I recover quicker between exercises and feel fully energized.

Business Analyst / Switzerland / France

These products are great! I instantly adopted them to my daily routine. I like the taste, that is similar to good tea, and I feel full of energy after drinking it.

Blogger / Finland

Medical mushrooms help me to stay healthy and balanced. I use Cordyceps before exercise and Reishi when I need an inspiration boost for example for writing. These products work!

Life Coach, Sales Director / Finland

I want to get the best possible results from life. FSF products have raised the quality of my life, giving me energy, focus, health and pleasure. There’s not a day without Instants, and Green Honey is my candy.

Organisational Psychologist, Senior Coach, Positiivinen Psykologia / Finland

As an author & a business coach I often work long hours having a need for extra energy. I don’t want to drink caffeinated drinks so natural energy drinks are perfect options for me

Student / Finland

Choosing to use FSF products has been one of the best decisions in my life. Finally, a healthy option for coffee and energy drinks.

Entrepreneur, Renda / Finland

I’m currently running my own company, finishing my master studies in business and doing sports frequently. I found Instant Reishi to give me the much needed extra boost to keep me going.

Entrepreneur / Hong Kong

I’m a passionate hiker and love to head for the hills of Hong Kong as often as possible. Instant Cordyceps gives me the stamina to hike long in to the night even after a long working day!

Teacher, Trail runner / Hong Kong

I’m transitioning from coffee/tea junkie to Instant Cordyceps drinker. Unlike the highs and lows felt from coffee drinking I find Instant Cordyceps leaves me feeling refreshed and energized.

Entrepreneur, MMA Fighter/ Finland

I’m an amateur MMA fighter who trains 6 days a week 2 times/day. Superfoods are part of my everyday diet to keep my energy levels up and running.

Performing Artist  / Finland

I can say with confidence and smile that the regular use of Instant Reishi can truly affect your body positively, even under tough pressure.

Entrepreneur / Finland

As an entrepreneur my days can be sometimes quite long. I don´t drink coffee, tea or unhealthy energy drinks. When I need extra power, I take Instant Cordyceps and it keeps me going.

Student / Sweden

I enjoy Instant Reishi as it keeps me focused in school and gives me the energy that I need to be physically active as well, in a natural and healthy way.

Blogger (raikasweb.com), Web Designer / Finland

Medical mushrooms are one of the most amazing things that nature has to offer. Instant Reishi and Instant Cordyceps are products I recommend to anyone who is interested in their own health and wellbeing.

Mother / Finland

After trying the FSF Instant Reishi for the first time about one year ago, the benefits blew me away. As mom for three kids this product gives the relaxation I desperately need.

Entrepreneur, Insurance Consultant and Health Enthusiast / Finland

Instant Cordyceps boosts my body and mind at work, gym, track and bed. It has made coffee completely redundant. You can also mix it with almost anything. Cordyceps ice cream, anyone?

AdWords Associate Google / Ireland

Just like I don’t enjoy the taste of coffee, I didn’t enjoy the taste of Instant Reishi. But as an active person, I value products that deliver energy for me. That’s why I give my thumbs up!

Project Manager, J.P. Morgan / Hong Kong

As an investment banker my life is stuck in the long working hours. I used to think that fish oil is the best supplement to mitigate fatigue. I was wrong; Instant Reishi is even better.

Graphic Designer / Finland

Mind and body work better together when they have a balance. I value good health and natural energy and I can get them with the help of FSF Instants — They provide me an excellent way to stay active, focused and creative.

Fashion designer assistant, Maifashiontales / Finland

Coffee makes my heart beat too fast, so I never drink it. Tea keeps me awake the whole evening, so I give it up. The amazing Instant Cordyceps gives me energy the whole day without any side effects.

Lifestyle athlete, O club coach / Finland

During my 20 year athletic career, i’ve noticed that constant good energy level is the corner stone, when pursuing growth. Instant Cordyceps answers to that demand. It helps to give all 100% every time.

Export Sales / Finland

I used to drink a lot of coffee. After trying Instant Cordyceps I’ve been able to forget coffee almost completely. This wakes my brains and muscles, and puts a smile on my wife’s face.

Entrepreneur / Hong Kong

As a business owner I don’t have time to feel tired. FSF’s Instant Cordyceps gives me just the extra energy boost that I need.

Human Rights Nerd and Activist, Teacher, Nomad, Graduate Student / Finland

The first package of Instant Reishi felt and tasted like a magic drink that I started my days with. Warmly recommended for everyone who wants to take care of all beings in the planet, including yourself!

Student / China

I used Instant Cordyceps during my exam week. It not only brought me more energy, but clearly improved my memory.

Entrepreneur, Nordic Business Forum / Finland

I’ve been reducing my coffee drinking, and found Instant Reishi to be the best replacement. It energizes like coffee and actually looks the same, tricking my brain to think it’s the same stuff.

Intern, Permanent Mission of Finland, Switzerland

Taking care of health is crucial while combining work and studies. I do yoga and try to follow a healthy diet. If I sometimes catch a flu, then the FSF products help me to recover.

Professional volleyball player / Finland

I need lots of energy to combine sports and university studies together. Instant Cordyceps helped me get my energies back after a hard workout, because I felt I slept a lot better.

Financial specialist / Latvia

After adding FSF health foods to my daily diet, I’ve been able to increase my productivity and maintain high levels of energy throughout the day, regardless of whether I am running to the next meeting or hitting the gym.

Managing Director, FitnessFirst / Finland

I do a lot of work, traveling, and sports. Superfoods are a big part of my diet and I feel more capable with them. Instant Reishi and Instant Cordyceps are easy to use while traveling around.

Orienteer, Ph.D. student / Finland

Combining hours and hours of training with PhD studies can lead to a pretty hectic life at times, making the moments to just relax limited. With the help of FSF Instants, I stay healthy, more relaxed and full of energy.

Footbag Net Team Finland player / Finland

I like to live naturally and want to get some extra boost when I’m on the court. What better way to get it than using FSF Instant Cordyceps.

Financial consultant / UK / Sweden

As I run home from work on a daily basis, a cup of Instant Cordyceps in the afternoon has increased my energy level, improving my endurance both at work as well as on my way back home from it.

World ranking 2. in footbag net / Finland

Playing footbag net at the highest possible level takes more than just kicking a bean bag around every now and then. A balanced diet enriched with superfoods, such as Instant Cordyceps, plays a big role in my training regime.

CEO, Aito Entertainment / Finland

A young entrepreneur who needs all the extra energy there is available. Super foods give me just the boost that I need to keep on going!

Designer / Finland

In the best possible way! It keeps both my mind and my body in balance…

Intern, Finnish Embassy in Beijing  / China

I run marathons to keep fit mentally and physically – and because I simply enjoy the sport. Four Sigma Foods has been a great help for me in my training.

Entrepreneur, Teamhello / China

I am an energetic person and I like to stay sharp, Instant Cordyceps makes all that happen, now I can play for 24 hours, YEAH!

Technology Analyst, Bank of America Merrill Lynch / Switzerland / UK

In a fast paced I.T. environment, my world is about always on, always connected, uptime being paramount. I need a product that gives me the capability to perform at any time – for me this is Instant Reishi.

Thoughtsurfer, Author, Roisto / Finland

I do mental work so I need to be focused every day. A healthy diet keeps my mind running and provides me with a continuous flow of thoughts.

Student / Finland

Studying and working simultaneously requires a lot of energy. FSF supplements have helped me to stay healthy, energetic and sleep better. I highly recommend them to anyone who appreciates a happy life!

Instructor of creative movement / Finland

As I work with our home construction, I really need extra energy. Instead of coffee I often take Instant Cordyceps as a healthier and caffeine free alternative.

Student / Finland

I study long hours everyday, and sometimes in my daily life I have felt fatigue and lack of energy. After trying Instant Cordyceps I’m full of spirit and energy all day long.

Change Agent, Entrepreneur / Switzerland / Canada

I was so happy to find a product that helps stabilize and give me energy in a natural way. I look forward to having my Instant Reishi tea each day!

Miss / Ireland

I have been taking Instant Chaga for a few weeks now and i found it took a couple of weeks for me to see a difference. I would highly recommend it for the coming winter months.

Everyday Warrior / Hong Kong, China

What makes a sincere testimonial? I tried them, I pantry-loaded with them, and now I’m writing about them; FSF makes products that are prefect for my hectic life. Would you join me to walk the talk? :)

Student / Finland

As a former athlete I understand the importance of nutrition. Being healthy and having the energy to study and exercise is my top priority.

Student / Finland

After a long period of unhealthy diet I decided to start taking care of myself again. I cherish nutritious food and hard training ’cause I want to be healthy and live life to the fullest.

Senior Graphic Designer / Finland

Instant Reishi makes me feel my best and gives me a needed energy boost during my long days of work. The best effect I have noticed when using Instant Reishi is the improved quality of sleep.

Partner Manager, Kiosked / UK

I use Instant Cordyceps prior to and during e.g. marathons or explosive crossfit workouts to enhance my oxygen intake and Instant Reishi has fully replaced caffeine products in my diet. Three words of wisdom: “This Shit Works!”