Written by the Plenthera team (orthomolecularly trained). Scientifically reviewed in May 2026. Last updated: 28 May 2026.

Big Food Chaga is a product from the range of the Dutch wholefood brand Big Food. Big Food Chaga is an extract of the chaga mushroom (Inonotus obliquus), harvested from birch forests. The highest ORAC value of all mushrooms — rich in antioxidants. For immune balance and general wellbeing. On this page you will find all Plenthera products from Big Food Chaga, plus background on use, dosage and origin.

On this pageAbout Big Food · What is Chaga used for? · How do you use it? · Frequently asked questions · Combine with · Sources

About Big Food

Big Food is a Dutch wholefood brand focused on ancestral nutrition: freeze-dried grass-fed organs, bone broth, and wholefood supplements such as psyllium, creatine, colostrum and cacao. Products are processed as little as possible and produced or packed in the Netherlands.

What is Chaga used for?

Big Food Chaga is an extract of the chaga mushroom (Inonotus obliquus), harvested from birch forests. The highest ORAC value of all mushrooms — rich in antioxidants. For immune balance and general wellbeing.

How do you use it?

Dosage

500-2000 mg per day, depending on extract strength.

When to take it

Mix into a hot drink (tea, coffee) or a smoothie.

Frequently asked questions

What is Big Food Chaga?

Big Food Chaga is an extract of the chaga mushroom (Inonotus obliquus), harvested from birch forests. The highest ORAC value of all mushrooms — rich in antioxidants. For immune balance and general wellbeing. Part of the Dutch Big Food range.

Is Big Food Chaga grass-fed or organic?

Wherever possible, Big Food chooses grass-fed, organic or wild-caught sources. See the specific product label for current certification.

How much chaga per day?

See the product page and the label for exact recommendations. The dosage of wholefood supplements varies per product.

Can I take Chaga during pregnancy?

Wholefood supplements are generally safe. Take extra care with liver supplements because of vitamin A limits. If in doubt: consult your midwife.

Does Chaga contain allergens?

See the product label for exact allergen information.

Why a Dutch wholefood supplement?

Local production shortens transport chains, supports Dutch farmers and makes raw materials quickly traceable.

Combining with other categories

Big Food Chaga fits into a wholefood approach:

• Big Food — all Big Food products
• Ancestral food — ancestral wholefood context
• Superfoods & Mushrooms — broader wholefood category
• Supplements — for the broader picture
• Chaga — all chaga products
• Mushrooms — all medicinal mushrooms

Sources & references

• Big Food — product dossiers and origin information
• EFSA — Regulation (EU) 432/2012 (where relevant)
• Netherlands Nutrition Centre (Voedingscentrum) — wholefood and organ meat

Disclaimer: This text is for information purposes only and does not replace medical advice. Food supplements are not a substitute for a varied, balanced diet and a healthy lifestyle. If in doubt, always consult your doctor or an orthomolecular therapist.