Raintree Avenca (Adiantum capillus-veneris) Powder 16 oz (1lb)
Not for use during pregnancy or breastfeeding. Not for use if you are trying to conceive. If you take medication, especially for blood sugar, blood pressure or cholesterol, talk to your practitioner before use. If you have a health condition, including one that affects your blood sugar, talk to your practitioner before use. Do not exceed the suggested amount. Supplements should not be used as a substitute for a varied, balanced diet. Keep out of reach of children. Store sealed in a cool, dry, dark place.
Avenca (Adiantum capillus-veneris) fronds, dried and ground. No additives.
Traditional infusion: put 1 teaspoon of Avenca fronds in a cup and pour on just-boiled water. Cover it and let it steep for 10 minutes. Strain it, or let the herb settle to the bottom of the cup, and drink it warm. How much: traditionally 1 cup, twice a day, or as directed by your health professional. Having the tea morning and evening, for example with breakfast and dinner, makes it easy to remember. There is no set length of time to take it. Review your use with your health practitioner from time to time. Take Raintree Avenca Powder as part of a nutritious diet and healthy lifestyle. If you are under a physician's care or take any medication, check with your healthcare practitioner before use.
Raintree Avenca Powder is Avenca (Adiantum capillus-veneris) fronds, wild-harvested, then dried and ground with nothing added. Traditionally prepared as an infusion (a steeped tea): 1 teaspoon per cup of water, 1 cup, twice a day. 1 lb (454 g) bag. Avenca supports respiratory health.*
Not for use during pregnancy or breastfeeding. Not for use if you are trying to conceive. If you take medication, especially for blood sugar, blood pressure or cholesterol, talk to your practitioner before use. If you have a health condition, including one that affects your blood sugar, talk to your practitioner before use. Do not exceed the suggested amount. Supplements should not be used as a substitute for a varied, balanced diet. Keep out of reach of children. Store sealed in a cool, dry, dark place.
Avenca (Adiantum capillus-veneris) fronds, dried and ground. No additives.
Traditional infusion: put 1 teaspoon of Avenca fronds in a cup and pour on just-boiled water. Cover it and let it steep for 10 minutes. Strain it, or let the herb settle to the bottom of the cup, and drink it warm. How much: traditionally 1 cup, twice a day, or as directed by your health professional. Having the tea morning and evening, for example with breakfast and dinner, makes it easy to remember. There is no set length of time to take it. Review your use with your health practitioner from time to time. Take Raintree Avenca Powder as part of a nutritious diet and healthy lifestyle. If you are under a physician's care or take any medication, check with your healthcare practitioner before use.
Out of stock. Expected back in 2027.An estimate. We update it if it changes.
Get an email the day it is back:


Free UK Shipping over £35
10 out of 10
Raintree products contain only the purest Amazon herbal formulations and nothing else.


USA Made


Yeast Free


Wild Harvested


GMO Free


Dairy Free


Additive Free


Gluten Free


Vegan


Soy Free


Purity-Tested
Avenca Powder: wild-harvested maidenhair fern fronds, ground for tea
Avenca is the Portuguese name of the maidenhair fern (Adiantum capillus-veneris), whose fronds make a light tea, and it supports respiratory health.* Our Avenca Powder is for adults who want to make that traditional frond tea at home. It is the fronds, wild-harvested, then dried and ground with nothing added and packed in 1 lb (454 g) bags. Each cup steeps for 10 minutes in just-boiled water. In the 19th century the same fronds were sweetened into capillaire syrup.
- 1 lb454 g of dried, ground fronds
- 1 tspper cup of water, as an infusion
- 100%Avenca fronds, no additives
Benefits of Avenca Powder
- Supports respiratory health*A gentle chest herb of long standing, once made into a syrup.
- Contains naturally occurring flavonoidsIncluding rutin and isoquercetin, with mucilage and tannins.
- The fern behind capillaireA 19th-century syrup was made from its fronds.
*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.
What's in our Avenca Powder
Avenca
Adiantum capillus-veneris
| Part used | Fronds (the fern's leaves) |
|---|---|
| Form | Dried and ground, nothing added |
| Bag | 1 lb (454 g) |
| Origin | Wild-harvested |
| Botanical family | Maidenhair fern family (Pteridaceae) |
| Also known as | Maidenhair Fern, Southern Maidenhair, Venus's Hair Fern; Culantrillo (Spanish); Cheveu de Vénus (French) |
Ingredients: Avenca (Adiantum capillus-veneris) fronds, dried and ground. No additives.
1 lb (454 g) bag. Store sealed in a cool, dry, dark place.
How to prepare Avenca Powder
- 1 tspper cup of water
- 10 minsteep in just-boiled water
- 1 cuptwice a day
Traditional infusion: put 1 teaspoon of Avenca fronds in a cup and pour on just-boiled water. Cover it and let it steep for 10 minutes. Strain it, or let the herb settle to the bottom of the cup, and drink it warm.
How much: traditionally 1 cup, twice a day, or as directed by your health professional.
Having the tea morning and evening, for example with breakfast and dinner, makes it easy to remember.
There is no set length of time to take it. Review your use with your health practitioner from time to time.
Where our Avenca comes from
- Wild-harvestedAvenca fronds, gathered in the wild
- Packaged in the USAPacked in 1 lb bags, with nothing added
- TestedEvery batch, for heavy metals, mould, yeast and pathogens
Precautions
- Not for use during pregnancy or breastfeeding.
- Not for use if you are trying to conceive.
- If you take medication, especially for blood sugar, blood pressure or cholesterol, talk to your practitioner before use.
- If you have a health condition, including one that affects your blood sugar, talk to your practitioner before use.
- Do not exceed the suggested amount.
- Supplements should not be used as a substitute for a varied, balanced diet.
- Keep out of reach of children. Store sealed in a cool, dry, dark place.
About Avenca
Avenca (Adiantum capillus-veneris), the maidenhair fern, is named in Latin for the hair of Venus. Its fronds, the leaves of the fern, fill this bag.
The same fronds were once steeped and sweetened into capillaire, a 19th-century syrup; here they are ground for tea. More in our Avenca herb guide.
Avenca Powder FAQ
Can't find your answer? Contact us.
How do I prepare Avenca Powder?
Traditionally as an infusion (a steeped tea): 1 teaspoon per cup of water, steeped in just-boiled water for 10 minutes, then strained. It is traditionally taken 1 cup, twice a day.
Who is Avenca Powder for?
Adults who want to support respiratory health* with a traditional steeped tea. It is not for use during pregnancy, while breastfeeding or when trying to conceive. If you have a health condition or take medication, talk to your practitioner before use.
What plant is Avenca?
It is a small fern, the maidenhair fern, known to botanists as Adiantum capillus-veneris. Avenca is the name used in Portuguese; culantrillo is the Spanish one.
Which part of the Avenca plant is in the bag?
The bag holds the fronds, the leaves of the fern, wild-harvested, dried and ground, with nothing added.
Which Raintree products also contain Avenca?
Avenca is one of the herbs in our Amazon Lung Support capsules.
Can I buy it in the UK?
Yes. It is sold on our UK store and shipped from the UK. Simply use the store switcher on our site.
More Avenca from Raintree
Not for use during pregnancy or breastfeeding. Not for use if you are trying to conceive. If you take medication, especially for blood sugar, blood pressure or cholesterol, talk to your practitioner before use. If you have a health condition, including one that affects your blood sugar, talk to your practitioner before use. Do not exceed the suggested amount. Supplements should not be used as a substitute for a varied, balanced diet. Keep out of reach of children. Store sealed in a cool, dry, dark place.
Avenca (Adiantum capillus-veneris) fronds, dried and ground. No additives.
Traditional infusion: put 1 teaspoon of Avenca fronds in a cup and pour on just-boiled water. Cover it and let it steep for 10 minutes. Strain it, or let the herb settle to the bottom of the cup, and drink it warm. How much: traditionally 1 cup, twice a day, or as directed by your health professional. Having the tea morning and evening, for example with breakfast and dinner, makes it easy to remember. There is no set length of time to take it. Review your use with your health practitioner from time to time. Take Raintree Avenca Powder as part of a nutritious diet and healthy lifestyle. If you are under a physician's care or take any medication, check with your healthcare practitioner before use.
| Size / Count | 16 oz (1lb) |
|---|
Trust Raintree


Used by hundreds of health practitioners


Loved by our Customers


180 Day Money Back Guarantee


Thoroughly Tested for 100% Purity
