Yes! Fungki Coffee doesn’t taste like mushrooms. We formulated it for enjoyment and daily ritual. It has a bold, smooth coffee flavour with the added benefits of mushrooms and adaptogens. It’s everything you love about coffee, with none of the mushroom taste you don’t.

Fungki contains 44mg of caffeine per serving, making it a lighter, more balanced option compared to traditional coffee. Perfect for when you want focus and energy, without overdoing it on your nervous system.

• Fungki Coffee (3oz) - 44mg of caffeine per serving
• Espresso shot (1oz) - 60mg caffeine 
• Black coffee (8oz) - 90-100mg caffeine

Both blends are designed to support energy, cognitive health, stress resilience and gut health but the difference comes down to caffeine and taste. 

• Fungki Coffee contains 44mg of caffeine from low-acid cold brew coffee, and decaf coffee, Lion’s Mane, Reishi, Ginseng, and Himalayan salt. It’s crafted for those who want the ritual and taste of coffee with balanced, nootropic energy, containing less caffeine than a typical cup, yet still enough to give you a lift.
• Fungki is your caffeine-free coffee alternative, made with functional mushrooms, prebiotic herbs, and spices for grounded energy without the jitters. It features Lion’s Mane, Reishi, Cordyceps, chicory, mesquite, vanilla, cinnamon, and Himalayan salt, giving it a rich and roasted flavour profile of its own. 

You can absolutely combine both. Fungki Coffee delivers a therapeutic 3g dose of mushrooms per serving, and if you’re also using our tinctures, you’re still well within the daily recommended limits based on current regulatory guidelines. These mushrooms work synergistically, and combining formats can offer broader support, especially if you’re working with specific health goals.

It depends on your goals and how your body feels.

If you’re looking to cut back on caffeine or support your nervous system without fully giving up your coffee ritual, Fungki Coffee is a great swap or addition. With 44mg of caffeine, it gives you a gentle lift without the jitters or crash.

And while it looks and tastes like coffee, it’s also a functional supplement formulated with Lion’s Mane, Reishi, and Ginseng to support cognitive performance, stress resilience, and long-term nervous system health.

With 44mg of caffeine, Fungki Coffee provides steady energy without the overwhelm. Made with low-acid coffee, it’s gentler on the stomach and less likely to cause the digestive discomfort that some experience with regular brews. Plus, it’s formulated with Lion’s Mane, Reishi, and Ginseng to help support your nervous system, focus, and stress response—offering long-term, body-conscious energy.

Rainbo’s tinctures will always be made with mushrooms grown in Canada— this part of our foundation hasn’t changed.

With Fungki, we searched high and low across North America for organic, 100% fruiting body mushroom extract powders that met our standards — and came up short. That’s why we turned to the ancestral home of mushroom cultivation: the remote and pristine mountains of China, where mushrooms have been grown for over 800 years using traditional, organic practices. 

After extensive research, vetting, and third-party testing, we partnered with multi-generational farmers who grow fruiting-body-only mushrooms on wood-based substrates (never grain), dry them in solar-powered facilities, and rigorously test for purity, beta-glucan content, and bioactive compounds.

This isn’t a compromise. It’s an evolution of our sourcing — guided by integrity, reverence for ancient wisdom, and an uncompromising commitment to quality. Fungki reflects our vision: the most effective, planet-forward mushrooms in the world, delivered to you with transparency and care.