

Based in Porto, MAI Kombucha is a company that produces and sells kombucha, a drink of Chinese origin with more than 2000 years, made through the fermentation of the green tea herb (Camellia sinensis). The consumption of kombucha has been associated with beneficial effects on the health of its consumers, namely in the improvement of the intestinal microbiota and of the immune system. This may be due to the presence of B vitamins (B1, B2, B6, B12), vitamin C, and probiotics.
MAI Kombucha was conceived by Gonçalo Campos, who had the dream of creating a company that would contribute to the positive transformation of the beverage industry, which was developed thinking about the health of the planet and the consumer. This is how, in 2020, MAI was born, with the dream of contributing to a world with fewer soft drinks and more kombuchas, less preservatives and more life, less plastic and more nature, a more natural and less artificial world. The brand was born in Gonçalo's kitchen and, since then, has gone through an intense process of evolution and growth.
The funds raised through this campaign will be used for:

This is the promoter's fifth campaign following four successful ones: the first (9.000€) to finance the purchase of a 25m2 refrigeration chamber, increasing its storage capacity; the second (11.000€) to increase production capacity; the third (25.000€) to enable the production of canned Kombuchas for the biggest festivals in Portugal; and the fourth one (30.000€) for the acquisition of equipment and consolidation of new clients.
Production has been taking place, since 2023, in a 300m2 factory located in Vila do Conde (Porto District). MAI Kombucha needs to be stored cold because it is a live (unpasteurized) beverage, with natural fermentation and without industrial techniques that would alter its benefits. After natural gas is produced inside the bottle, cold stabilizes fermentation and maintains its quality and flavor.
Direct
Promoting Circular Consumption: MAI Kombucha is deeply committed to sustainability and actively engages with its community to minimize environmental impact. A key initiative is its reverse logistics system, which encourages customers to return used bottles for reuse. This program is clearly outlined on the company's website and rewards loyal customers with discounts on future purchases. Thanks to this initiative, MAI Kombucha has successfully prevented the disposal of 6,000 bottles.
Responsible Production: Sustainability is embedded in MAI Kombucha’s production practices. 98% of the ingredients used are organic, and 70% are sourced regionally—highlighting the company’s support for local, eco-friendly agriculture. Waste management is equally thoughtful, with packaging materials repurposed, biodegradable waste composted, and all remaining materials sorted for recycling.
Encouraging Sustainable Consumption Habits: At the core of MAI Kombucha’s mission is educating and inspiring more conscious consumption. The company offers Kombucha DIY kits, providing customers with an engaging hands-on experience that demystifies the fermentation process. Additionally, an online forum connects enthusiasts and newcomers alike, offering a space to ask questions, share tips, and explore the many benefits of this ancient beverage.
Indirect
Promoting a Healthier Lifestyle: MAI Kombucha offers a naturally carbonated, preservative-free drink that serves as a wholesome alternative to sugary soft drinks—known contributors to obesity and diabetes. Rich in probiotics, kombucha supports gut health and strengthens the immune system, making it a smart choice for health-conscious consumers.


Direct
Promoting Circular Consumption: MAI Kombucha is deeply committed to sustainability and actively engages with its community to minimize environmental impact. A key initiative is its reverse logistics system, which encourages customers to return used bottles for reuse. This program is clearly outlined on the company's website and rewards loyal customers with discounts on future purchases. Thanks to this initiative, MAI Kombucha has successfully prevented the disposal of 6,000 bottles.
Responsible Production: Sustainability is embedded in MAI Kombucha’s production practices. 98% of the ingredients used are organic, and 70% are sourced regionally—highlighting the company’s support for local, eco-friendly agriculture. Waste management is equally thoughtful, with packaging materials repurposed, biodegradable waste composted, and all remaining materials sorted for recycling.
Encouraging Sustainable Consumption Habits: At the core of MAI Kombucha’s mission is educating and inspiring more conscious consumption. The company offers Kombucha DIY kits, providing customers with an engaging hands-on experience that demystifies the fermentation process. Additionally, an online forum connects enthusiasts and newcomers alike, offering a space to ask questions, share tips, and explore the many benefits of this ancient beverage.
Indirect
Promoting a Healthier Lifestyle: MAI Kombucha offers a naturally carbonated, preservative-free drink that serves as a wholesome alternative to sugary soft drinks—known contributors to obesity and diabetes. Rich in probiotics, kombucha supports gut health and strengthens the immune system, making it a smart choice for health-conscious consumers.
Promoter website
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