Is this or any component of this product made in China?

Buffered Ascorbic Acid capsules contains vitamin C as calcium ascorbate, magnesium ascorbate, and potassium ascorbate sourced in the US. The capsules contains ascorbyl palmitate sourced from China, and the powder does not contain any ascorbyl palmitate. As with all raw materials, each batch of ingredients received by Pure Encapsulations is tested upon reception for identity, potency (if applicable) and contaminants, which can include heavy metals, residual solvents, allergens, pesticide residues and others depending on ingredient and level of risk.

what is the source of this vitamin C?

The vitamin C is sourced from corn dextrose fermentation. This process starts with isolating dextrose from corn, which is then fed to micro-organisms. The micro-organisms produce these nutrients, and the nutrients are then isolated and purified away from the starting materials. While no corn proteins or sugar remain in the final product (and we have tested with negative results), we do not routinely test for corn allergens and therefore we would not be able to guarantee its safety for someone with a corn allergy.

Does pure make a vitamin C thousand milligrams buffered?

Pure Encapsulations - Buffered Ascorbic Acid Capsules only comes with 670 mg of buffered C. Pure Encapsulations also provides Ascorbic Acid 1 gram that is 1,000 mg but it is not buffered.

Is it made from fermented corn?

It's made of calcium ascorbate, magnesium ascorbate and potassium ascorbate. I didn't see corn on the label. I use Pure Encapsulations for most my supplements because of their high quality ingredients.

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Buffered Ascorbic Acid Capsules - Vitamin C for Sensitive Individuals - 90 Capsules

Product ID: 733545690

Details

Brand
Pure
Diet type
Keto
Flavour
Unflavored
Item form
Capsule
Primary supplement type
Vitamin C

🌿Free from common allergens & artificial additives

🧪3 buffered mineral ascorbates for neutral pH

🛡️Powerful antioxidant & free radical defense

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318671Fr

Duties & taxes included

In stock

Sold byAmazon CongoDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🛡️ Elevate your immunity with gentle, pure Vitamin C power!

CLEAN LABEL CONFIDENCE - Crafted without gluten, nuts, artificial colors, flavors, or preservatives—pure wellness you can trust.
POTENT ANTIOXIDANT SHIELD - Vitamin C capsules deliver robust free radical scavenging to support immune resilience and skin vitality.
GENTLE ON SENSITIVE STOMACHS - Buffered formula with calcium, magnesium & potassium ascorbates minimizes gastric irritation for daily comfort.
KETO FRIENDLY WELLNESS BOOST - Perfectly aligned with keto and clean-eating lifestyles to keep your health goals on track.
TRUSTED QUALITY TRANSPARENCY - Premium ingredients rigorously tested for potency and purity by Pure Encapsulations, a leader in supplement excellence.

Buffered Ascorbic Acid Capsules combine calcium, magnesium, and potassium ascorbates to provide a neutral pH Vitamin C supplement designed specifically for sensitive individuals. This formula reduces gastric irritation while delivering potent antioxidant support. Free from common allergens and artificial additives, these 90 unflavored capsules are keto-friendly and manufactured by Pure Encapsulations with strict quality controls to ensure purity and potency.

Specifications

ASIN	B07FYVWLXC
Age Range Description	Adult
Best Sellers Rank	#51,041 in Health ( See Top 100 in Health ) #2,691 in Vitamin Supplements
Brand	Pure Encapsulations
Brand Name	Pure Encapsulations
Customer Reviews	4.8 out of 5 stars 544 Reviews
Diet Type	Keto
Diet type	Keto
Dosage Form	Capsule
Flavor	Unflavored
Flavour	Unflavored
Item Dimensions	11.4 x 6.4 x 6.4 centimeters
Item Form	Capsule
Item Weight	0.3 Pounds
Item form	Capsule
Manufacturer	Pure Encapsulations
Manufacturer Part Number	AB29
Number of Items	1
Primary Supplement Type	Vitamin C
Primary supplement type	Vitamin C
Product Benefits	Antioxidant
Product benefits	Antioxidant
Specific Uses For Product	Antioxidant
UPC	766298020037
Unit Count	90.0 Count

Reviews

R**C

Great product

Have taken all winter and haven’t gotten sick. Easy on the stomach and digestion, too.

16.04.2026

M**H

No stomach upset

Doesn’t upset my stomach like other buffered brands.

12.04.2026

P**E

quality

good quality and esae of use

6.04.2026

P**P

Great for sensitive systems

This has been very gentle and easy to tolerate. No stomach irritation and no reactions. I appreciate the clean formula and the buffered form. Works well and feels steady.

4.12.2025

K**E

Best one on the market.

Pure Encapsulations Buffered Ascorbic Acid is a fantastic choice if you’re looking for a high-quality Vitamin C supplement that is gentle on the stomach. I love this brand because they are known for their rigorous testing and "free-from" approach to unnecessary fillers and allergens.

30.01.2026

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

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Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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TrustScore 4.5 | 7,300+ reviews

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

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I loved the variety of products available. Will definitely shop again.

2 months ago

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318671Fr

Duties & taxes included

In stock

Sold byAmazon CongoDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Congo.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Anita G.

Good experience, but the tracking updates could be better.

2 months ago

Farhan Q.

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