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Medicinal & Therapeutic Herbs
Oak bark
Quercus robur L.
Also known as: oak bark, English oak bark, pedunculate oak bark. In Greek: φλοιός βελανιδιάς, δρυός φλοιός.
Oak bark is the dried young bark of Quercus robur, the European English oak. It is rich in tannins, compounds associated with pronounced astringency on skin and mucous membranes. Use is usually short and topical or concerns acute, non-specific diarrhoea.
Shipping options
Last updated: October 2026
Our courier partners
We work with the following courier companies to ensure fast and reliable delivery:
- ACS Courier: delivery across Greece and to Cyprus
- ACS Smart Lockers: collection from automated parcel lockers
- ELTA Courier: delivery across Greece
- Box Now: collection from automated parcel lockers
- DHL: deliveries to EU countries
Dispatch and delivery times
When your order is dispatched
Most products are dispatched within 1–2 business days of order confirmation. For bank transfers, the time counts from receipt of payment. If a product is temporarily out of stock, dispatch may take 3–5 business days and we will notify you promptly.
Estimated delivery times
| Destination | Delivery time | Note |
|---|---|---|
| Athens and major cities | 1–2 business days | |
| Regional areas | 1–3 business days | |
| Islands and remote areas | 2–5 business days | Subject to route schedules |
| EU countries (DHL) | usually 4–6 business days | Depending on the destination |
| Cyprus (ACS Courier) | 5–7 business days | From the departure of the ship |
Delivery times count from the day of dispatch. They are estimates and may be affected by circumstances beyond our control (strikes, adverse weather, etc.).
Delivery days
- Deliveries are made on business days (Monday–Friday).
- Saturday delivery: available on request, at an additional charge.
- Same-day delivery: available on request, at an additional charge.
- Delivery at a scheduled time: available on request, at an additional charge.
Shipping costs within Greece
Free shipping on orders over €49
On orders over €49, shipping is free for the first 3 kg. If your parcel is heavier, you keep the free shipping and pay only for the extra weight, at €1.50 per kg.
Orders up to €49
Free shipping does not apply to orders up to €49. Shipping starts from €3.50 for parcels up to 2 kg. The exact amount is calculated automatically at checkout, based on the courier, the weight and the destination, and is shown before you complete your order.
Tip: combine your purchases into a single order over €49 to get free shipping.
Cash on delivery
Paying by cash on delivery costs an extra €2.50, on top of the shipping cost.
Order tracking
Once your order has been dispatched, you will receive an SMS or e-mail with a tracking number so you can follow your parcel in real time.
Uncollected parcels
- ACS, ELTA: parcels are held at the courier's office for up to 7 days.
- Box Now: parcels are held in the locker for 48 hours.
- DHL (EU shipments): parcels are held at the local DHL office for a limited number of days. Please contact your local DHL office to confirm.
If you are unable to collect your parcel in time, please contact us and we will find a solution. If a parcel is returned to us without prior notice, the outbound and return shipping costs are charged to the customer. See our Returns Policy for details.
Shipping to the European Union and Cyprus
We ship to all European Union countries with DHL, from €18 (Cyprus and Malta from €20). For Cyprus you can also choose ACS Courier (from €9.60). The exact cost is shown at checkout, before you pay.
On EU orders over €200, shipping is free for the first 2 kg and you pay only for the extra weight.
Since all shipments travel within the European Union, there are no customs duties or import charges.
Full details on our International Orders — European Union page.
Contact us about shipping
- E-mail: info@yperikon.gr
- Phone: (+30) 2610 221354
- Opening hours (Greek time): Mon, Wed, Sat 9:00–14:00 · Tue, Thu, Fri 9:00–14:00 & 18:00–21:00 · Sunday closed
Shipping and Delivery · International Orders — European Union
Payment methods
PAYMENT METHODS
Last updated: May 2026
All products, prices, and shipping terms are confirmed in your order confirmation e-mail. Payment is made before delivery and can be completed using one of the following methods:
1. CREDIT / DEBIT CARD
We accept Visa and Mastercard (credit and debit cards) with full security via Piraeus Bank / Epay. No additional charge.
• Google pay/Apple pay
• SSL encryption — your card details are never stored on our systems
• Instant order confirmation
• No additional fees
2. CASH ON DELIVERY
Pay in cash directly to the courier representative upon delivery. A service fee of €2.50 applies.
Available for deliveries within Greece only.
3. BANK TRANSFER
After placing your order, please wait for our e-mail confirmation of product availability. Then transfer the total amount to one of the following accounts:
Bank | IBAN | Account No. |
National bank | GR3201108360000083600252080 | 836 0025 2080 |
Alpha Bank | GR3901405300530002101442697 | 530002101442697 |
Eurobank | GR2002606720000990200149181 | 0026067299 0200149181 |
Piraeus | GR9401725070005507082823498 | 5507082823498 |
Bank IBAN Account No.
Εθνική Τράπεζα GR3201108360000083600252080 836 0025 2080
Alpha Bank GR3901405300530002101442697 530002101442697
Eurobank GR2002606720000990200149181 0026067299 0200149181
Πειραιώς GR9401725070005507082823498 5507082823498
Account holder: ANASTASOPULOS VASSILIOS
•No additional charge for transfers from the same bank
•Transfers from a different Greek bank may incur standard inter-bank transfer fees (e-banking)
•Transfers from a bank outside Greece: an additional fee of €4.00 applies, to be added by the buyer to the total amount transferred
•We recommend notifying us by e-mail (info@yperikon.gr) once the transfer is made, including the date and bank used — this helps us dispatch your order faster
4. IRIS PAYMENTS
You can pay instantly via IRIS using our Tax ID (AFM):
Tax ID (AFM): 104130231
IRIS Payments enables instant bank-to-bank transfers at no charge.
Note: Bank transfer and IRIS Payments are available for orders within Greece only. For EU orders, please use card payment at checkout.
Send us a message and we reply within one working day. Or call us on (+30) 2610 221354 during shop hours.
Send a message(+30) 2610 221354What it is
Oak bark is the dried young bark of Quercus robur, the European English oak. It is rich in tannins, compounds associated with pronounced astringency on skin and mucous membranes. Use is usually short and topical or concerns acute, non-specific diarrhoea.
Its astringent taste and dark decoction are natural characteristics. Oak bark is not a daily tonic because abundant tannins may irritate the stomach and reduce absorption of some medicines or nutrients.
Key properties
Tannins superficially bind proteins and create a temporary protective layer. This helps explain traditional astringent, mildly anti-inflammatory and antiseptic applications to the mouth, throat, skin and bowel.
Uses
Traditional and research references include:
- short-term use for acute non-specific diarrhoea
- historical dysentery use, a condition now requiring medical diagnosis
- external sitz baths for mild irritation and haemorrhoids
- compresses on small superficial areas of irritated skin
- gargles for an irritated pharynx, tonsils or larynx, without swallowing
- mouth rinses for irritated gums
- old vaginal washes for leucorrhoea, not recommended because they disturb normal flora
- historical anticancer references that are not a modern clinical indication.
Preparation & dosage
Decoction: use 1 teaspoon bark per cup, simmered for 10–15 minutes. For acute diarrhoea use only for a few days and stop when it settles. For gargling or an external compress, cool the liquid and do not use it on a large or open surface.
The quantities are indicative and based on traditional use and published herbal medicine literature. For extended use or while taking medication, consult a healthcare professional.
Combinations with other herbs
A gentle gargle may pair it with sage, whereas sitz baths commonly use it alone. Separate from medicines and supplements by at least two hours because of tannins.
Precautions
Do not use for chronic or unexplained diarrhoea, severe abdominal pain, fever, blood or mucus in stool. Seek care if diarrhoea lasts over 2–3 days or dehydration appears. It may cause nausea, constipation or gastric irritation. Avoid in pregnancy, breastfeeding, childhood without guidance, or serious liver or kidney disease. Do not use on open wounds, extensive eczema, damaged mucosa or as a vaginal douche.
Frequently asked questions
What causes oak bark astringency?
Its abundant tannins interact superficially with proteins.
Can oak bark be used every day?
No. It is intended for short, specific use rather than as a daily tonic.
When does diarrhoea need medical care?
Blood, fever, dehydration, severe pain or duration beyond 2–3 days needs assessment.
- European Union herbal monograph on Quercus robur L., Quercus petraea (Matt.) Liebl., Quercus pubescens Willd., cortex
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