Made with ingredients you can trust
Why Choose Birch Boys

Sustainably Sourced
Our Cordyceps militaris is sourced from expert growers in Central New York. Learn more about sourcing Cordyceps.
Double Extraction
We use alcohol and hot water in our tinctures. Learn why alcohol is essential in tinctures, especially Cordyceps.
Third Party Tested
Our Cordyceps militaris fruiting bodies are third party tested for their potent bioavailable compounds.Cordyceps militaris Fruiting Body
Birch Boys Cordyceps militaris fruiting body is sustainably sourced from expert growers in New York State.
- -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 lion's mane's healing 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.
How to Use Cordyceps Tincture
Take up to 4mL per day.
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 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 is one serving.
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.
*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.