Best Four Sigmatic Coffee of 2025

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Four Sigmatic offers a range of coffee products that are worth considering for those who appreciate a great cup of joe. Their coffee is known for its unique blend of flavours and high quality, making it a reliable choice for coffee enthusiasts. Whether you prefer a classic black coffee or are looking to experiment with different flavours, Four Sigmatic offers a variety of options to suit every taste. With their commitment to sourcing the best ingredients and using innovative techniques, Four Sigmatic's coffee is a must-try for any coffee lover.
At a Glance: Our Top Picks
Top 6 Four Sigmatic Coffee
Four Sigmatic Adaptogen Coffee with Ashwagandha
Four Sigmatic Adaptogen Coffee is a keto-friendly medium roast that combines fair-trade Colombian coffee with powerful adaptogens like ashwagandha and holy basil. This blend helps you manage stress effectively, allowing you to tackle your daily tasks without the jitters often associated with caffeine. Packed with antioxidants, it promotes overall well-being and is suitable for various diets, including vegan and gluten-free. You can brew it your way, enjoying the rich coffee flavour without any herbal aftertaste.
Four Sigmatic Organic Mushroom Coffee Instant Mix
Four Sigmatic Mushroom Coffee offers a convenient way to enjoy instant coffee with added health benefits. Each serving provides 50mg of caffeine, ensuring you stay alert without the jitters. Infused with 250mg of Lion's Mane, this coffee supports focus and creativity, making it perfect for busy days. Additionally, with 250mg of Chaga, known for its immune-boosting properties, you can feel good about what you drink. The inclusion of Rhodiola Rosea helps reduce stress and enhances brain function, allowing you to tackle challenges with ease.
Four Sigmatic High Caffeine Dark Roast Coffee
Four Sigmatic Coffee delivers a powerful boost to your day with its rich dark roast, featuring chocolate and nutty notes. Each cup contains around 190mg of caffeine, ensuring you stay energised and productive. Infused with cordyceps mushroom extract, it enhances endurance and physical performance, making it ideal for your most demanding tasks. Additionally, the inclusion of L-theanine helps balance caffeine's effects, providing energy without the jitters, so you can focus on what matters most.
Four Sigmatic Instant Mushroom Coffee Pack
Four Sigmatic Mushroom Coffee offers a unique blend of organic coffee and functional mushrooms to enhance your daily routine. Each serving provides 50mg of caffeine, delivering a smooth boost without the jitters. With 250mg of Lion's Mane, you'll experience improved focus and creativity, perfect for tackling tasks. Additionally, the inclusion of Chaga supports your immune system, packed with antioxidants to keep you healthy. Lastly, Rhodiola Rosea helps reduce stress and promotes endurance, making this instant coffee a great choice for those busy days.
Organic Cold Brew Coffee with Mushrooms
Four Sigmatic Cold Brew is designed to boost your productivity without the jitters or crashes often associated with coffee. By combining organic coffee with Lion's Mane and Chaga mushrooms, it provides steady energy and enhanced focus throughout your day. The coffee beans are sourced from a family-run co-op in Honduras, ensuring fair trade practices. Furthermore, the mushrooms are log-grown and sustainably harvested, guaranteeing that you receive the purest benefits nature has to offer.
Four Sigmatic Lion's Mane & Chaga Coffee
The Four Sigmatic Mushroom Coffee offers a unique blend of Lion's Mane and Chaga in convenient sachets. Each pack contains ten sachets of delicious, medium-roasted coffee, making it easy for you to enjoy a tasty beverage anytime. This instant coffee is perfect for those seeking a quick caffeine fix without compromising on flavour. With the added benefits of mushrooms, you can enhance your daily routine with a boost of energy and focus, all while enjoying the rich taste of coffee.
During our Four Sigmatic coffee research, we found 7 Four Sigmatic coffee products and shortlisted 6 quality products. We collected and analyzed 114,870 customer reviews through our big data system to write the Four Sigmatic coffee list. We found that most customers choose Four Sigmatic coffee with an average price of £13.85.
The Four Sigmatic coffee are available for purchase. The top 6 picks range in price from a low of £10.00 to a high of £39.00, find the one that fits your budget.

Kiera Browne served as chef and caterer in Purslane Restaurant for three years before establishing her restaurant. Kiera now owns two restaurants and a culinary school all over the United Kingdom. Kiera has featured in magazines and editorials, providing recipes for various dishes. Using her skills and knowledge in the culinary field, Kiera has published few pamphlets on preparing various cuisines.