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Ships within 48 hours · Estimated delivery Aug 22 - Aug 27
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Description
Thorne Vitamin C (Buffered C Powder)Vitamin C is most known for being a key antioxidant that helps protect cells from damage, but it also plays an important role in energy production, wound healing, and healthy immune function. Taking a high amount of vitamin C can help boost both immune function and antioxidant support, but it can be challenging for those with a sensitive or compromised digestive system. This Buffered C Powder is unique because, in addition to vitamin C, it provides
Vitamin C is most known for being a key antioxidant that helps protect cells from damage, but it also plays an important role in energy production, wound healing, and healthy immune function. Taking a high amount of vitamin C can help boost both immune function and antioxidant support, but it can be challenging for those with a sensitive or compromised digestive system.
This Buffered C Powder is unique because, in addition to vitamin C, it provides calcium, magnesium, and potassium mineral-ascorbates that serve as a buffer so you can take in higher amounts of vitamin C with more ease and comfort.
How We Use It:
Mix 1 scoop with at least 8 oz. of water and take 1-2 times daily.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.6 ★★★★★
Based on 14 reviews
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Product Reviews
★★★★★ 5
Premium, Reusable Cabin Filter – Worth It Long-Term
Size: 2" x 10" x 11"
I've been using the K&N Lifetime Washable Cabin Air Filter in my vehicle for several months, and here's my experience:
Pros:
Washable & Reusable: Eliminates the need for frequent replacements, saving money over time.
Improved Airflow: Noticed a slight increase in airflow through the vents, enhancing cabin comfort.
Odor Control: Effectively reduces musty smells, providing a fresher cabin environment.
Cons:
Initial Cost: Priced higher than disposable filters, but the long-term savings offset this.
Cleaning Required: Needs periodic cleaning to maintain performance, which might be inconvenient for some users.
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Reviewed in the United States on June 25, 2025
★★★★★ 5
Must have over other filters.
Size: 2" x 10" x 11"
Amazing KN never fails for cabin filter works great in my 2021 Honda Civic hatchback sport touring.Must have for the 10th Gen Civic better air flow in car and cleaner smell easy to wash and reuse.
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Reviewed in the United States on April 25, 2026
★★★★★ 5
Quality
Size: 2" x 10" x 11"
My brother put me onto these filters.
Super easy to install. Also bought engine filter. One time expense. A bit pricey but cost covered if you were still buying paper ones in about 3 changes of paper ones. Will definitely pay for themselves. Highly recommend
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Reviewed in the United States on March 18, 2026
★★★★★ 5
It works like a champ!!
Size: 2" x 10" x 11"
best darn filter made..
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Reviewed in the United States on April 10, 2026
★★★★★ 5
Excellent Air Flow
Size: 2" x 10" x 11"
Maximum clean air flow and lifetime use. Best you can buy. Invest 💯
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Reviewed in the United States on January 15, 2026