Chaga. The mushroom that's spent centuries growing in some of the harshest conditions on earth - and became one of the most antioxidant-rich substances ever studied.

Chaga (Inonotus obliquus) grows primarily on birch trees across Siberia, Northern Europe, and Canada, in climates cold enough to kill most living things. Used for centuries in Russian and Scandinavian folk medicine as a general health tonic, it's now one of the most researched functional mushrooms for immune support, antioxidant protection, and inflammation management.

What makes Chaga unusual is its exceptionally high ORAC score - a measure of antioxidant capacity that places it among the most antioxidant-dense substances found in nature. It contains betulinic acid (derived from the birch bark it grows on), melanin, polysaccharides, and beta-glucans - each contributing to its broad range of documented effects.

Why the research is interesting

A study published in the International Journal of Medicinal Mushrooms found that Chaga polysaccharides demonstrated significant immunomodulating activity, supporting the body's natural immune response through multiple pathways. View study

Research published in Biomedicine & Pharmacotherapy found Chaga extract exhibited notable antioxidant and anti-inflammatory properties, with authors noting its potential for supporting healthy ageing and cellular protection. View study

It's worth being clear about what this research means and doesn't mean. Chaga is a food supplement, not a medicine. Its compounds have a long history of traditional use and an active modern research base - but we're not claiming it treats, prevents, or cures any condition. What the research does suggest is that it interacts meaningfully with immune and antioxidant pathways, which is why it has been used for generations and why scientists keep studying it.

Why a liquid extract?

Most Chaga products on the market are capsules of dried mushroom powder. Feel Supreme's Chaga is a 10:1 concentrated tincture - meaning 10kg of raw Chaga goes into every 1kg of finished extract. Each 60ml bottle delivers the equivalent of 90,000mg of raw Chaga in a format your body can absorb quickly through the mouth or in a drink.

The dual extraction method - both hot water and alcohol - is the gold standard for mushroom tinctures. Hot water extraction captures the beta-glucans and polysaccharides; alcohol extraction captures the triterpenes and betulinic acid. You need both to get the full spectrum of active compounds. Single-method extractions, which is what most cheaper products use, leave compounds behind.

What you might notice

• Stronger, more resilient immune response
• Reduced inflammation and oxidative stress
• Improved energy and stamina throughout the day
• Support for liver health and natural detox processes
• Long-term cellular protection and healthy ageing support

Why Feel Supreme?

Feel Supreme is a UK-based functional mushroom specialist we've stocked for years. Their sourcing and extraction standards are well above the industry average - in the mushroom supplement space, where quality varies enormously, that matters more than most people realise. Every tincture uses the full fruiting body, never mycelium on grain, and every batch is dual extracted for full-spectrum potency.

Full product details

Dosage: 1-3 pipettes daily, straight or in a drink
60ml per bottle - up to a 60-day supply at 1 pipette daily

Not suitable for children, pregnant or nursing individuals, or anyone on immunosuppressant medication. Always consult your GP if you have a pre-existing condition or are taking medication.

Want to understand more about functional mushrooms?

Chaga is one of six main functional mushroom varieties with meaningful traditional use and modern research behind them. We've put together a guide covering Chaga alongside Turkey Tail, Lion's Mane, Cordyceps, Reishi, and Shiitake - what they're traditionally used for, what the research is currently looking at, and how they differ. Read the guide here →

Ingredients per 60ml: Dual Extracted Chaga Extract 10:1 (equivalent to 90,000mg), Organic Cane Alcohol, Purified Water