White oak bark

$6.58 ~~$13.17~~ In stock

White oak bark (Quercus alba) is offered as a bulk herb by Earth Pharmaceuticals. This product is available in multiple sizes, including powder and vegetable capsule forms, to suit your preferences.

Available in 4 oz. powder and 1 lb. powder sizes
Also offered in 100 vegetable capsules for convenient use
Sourced as a bulk herb, ideal for those seeking herbal options
Sold under the Earth Pharmaceuticals brand

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When it ships

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Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

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Delivery costs

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Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

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Returning an item

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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (4.8 / 5 · 4 reviews)

Stella ★★★★★ Nov 5, 2026

The powder form mixes into warm water without clumping, which I appreciate since I use it for a daily tonic. The resealable bulk bag holds a good amount and the texture is finely milled, not gritty.

Lucy ★★★★★ Nov 4, 2026

I ordered the powder instead of capsules since I wanted to mix it into tea, and it's finely ground with no clumps at all. The bulk sizing options meant I could start with a small amount before committing to more.

William L. ★★★★★ Nov 3, 2026

The vegetable capsules saved me from dealing with loose powder, and I appreciate that the bulk sizes come in more than one option. Been taking it as part of my daily routine and the capsules are easy to swallow.