How to Use Fungi Five Tincture
Why Choose Birch Boys

Sustainably Sourced
Sustainably sourced. in the U.S.A and wild harvested from over 200,000 acres of leased Adirondack forests.
Certified Organic
We've worked hard to become USDA certified organic, so you can trust in our product quality.
Double Extraction
We use both hot water and organic alcohol to capture all of the beneficial compounds within the fungi.
Third Party Tested
Our products are third party tested for bioavailable compounds. Our results are listed on the Supplement Facts panel.Take up to 4-20mL per day.
For immune and gut support: take 4mL daily.
For the equivalent of 4mL of each mushroom in Fungi Five: take 20mL daily.
Each 1mL of Fungi Five contains 0.2mL of Chaga, Lion’s Mane, Turkey Tail, Reishi, and Maitake—so 20mL delivers 4mL of each, our typical daily max for individual tinctures.
Take tinctures straight or add them to beverages like coffee or smoothies at a comfortable drinking temperature.
Store out of direct sunlight.
Tinctures are best used within 3 years for efficacy, but remain shelf stable indefinitely.
4oz Tincture
A convenient 30-day supply, with a dropper.
Dropper: Four squeezes is one serving (~4ml). For the equivalent of 4mL of each mushroom within Fungi Five, you may take up to 20mL (20 squeezes) per day.
For best accuracy, press and release the bulb several times to draw 1ml.
16oz Tincture
A 120-day supply featuring a pump top and measuring spoon.
Pump Top: 2 pumps equals one 4mL serving. For the equivalent of 4mL of each mushroom within Fungi Five, you may take up to 20mL (10 pumps) per day.
Please note: Each order only includes one pump top and one measuring spoon for free, regardless of the number of tinctures ordered. Order more here.
Made with ingredients you can trust
Organic Sclerotia and Fruiting Bodies
Birch Boys Chaga sclerotia, Turkey Tail mushrooms and organic Reishi mushroom are sustainably wild-harvested from over 200,000 acres of leased Adirondack forest land. Our Lions Mane mushroom and Maitake mushrooms are cultivated by expert growers in the US.
- USDA Organic
- Third Party Tested
- 100% US origin
Organic Cane Alcohol (22%)
- –We source our organic cane alcohol from a top-quality US distillery.
–Alcohol is essential in order to extract the full range of all of our mushrooms’ beneficial compounds – it comprises 22% of our tinctures.
Distilled Water
- Distilled water is the foundation of our tinctures. Pure water has the most capacity for extraction of bioactive compounds.

Why Alcohol?
We use both hot water and high-proof organic alcohol to extract the full range of beneficial compounds from our Lions Mane Tincture, Chaga Tincture, Reishi Tincture, Turkey Tail Mushroom Tincture and Maitake Tincture. Alcohol-soluble compounds like triterpenoids can’t be unlocked through water alone, making this method essential for a truly potent tincture.
Fungi Five FAQ
Birch Boys’ Fungi Five Tincture contains equal parts (1/5 each) Chaga, Lion’s Mane, Turkey Tail, Maitake, and Reishi, or ~83mg of each fungus per serving (417mg of blend).
No, Fungi Five is a blend of 5 mushrooms, it is not concentrated. In order to get 4mL of each mushroom contained within Fungi Five, you would need to take 20mL of Fungi Five.
If you take 4mL of Fungi Five daily for gut and immune support, the 4oz bottle will last 1 month. The 16oz bottle would last 4 months.If you take 20mL of Fungi Five daily as an equivalent of a full serving of chaga, reishi, turkey tail, lion's mane and maitake, then a 16oz bottle will last about 24 days.
Fungi Five contains our original 5 mushrooms, blended together for overall gut and immune wellness. Fungi Five does not contain our newest offerings, artist conk and cordyceps. To add artist conk and cordyceps to your routine, we recommend getting the 16oz Fungi Five, and the 4oz Artist Conk and/or Cordyceps tincture.
*These statements have not been evaluated by the Food and Drug Administration. Birch Boys products are not intended to treat, cure, prevent or diagnose any disease.