Purchased thorne vitamin c locally. was going to refill on amazon. can the manufacturer thorne simply state whether ingredients are from china or not?

Dan, one of the reasons I buy Thorne is because the brand is highly recommended by Dr. Andrew Huberman from Standford Med. The ingredients are not from China. Headquaters are in NYC and manufacturing is in South Carolina. Hope that helps.

Is this NSF certified?

There is nothing on the label that says NSF Certified.

Ascorbic acid? so sourced from China?

The container does not specify where it is manufactured.

What are the capsules made of?

Hypromellose – also known as hydroxypropyl methylcellulose – is used to make Thorne's vegetarian capsules. Most of the HPMC Thorne uses to make their vegetarian capsules is naturally derived from wood pulp. In addition, Thorne’s vegetarian capsules are organic compliant, non-GMO, Kosher and Halal certified, vegan, and hypoallergenic.

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Vitamin C 500 mg - Blend of Vitamin C and Citrus Bioflavonoids from Oranges - Supports Immune System, Cellular Energy Production & Collagen Production* - Third-Party Certified - 90 Servings

Product ID: 376946170

Details

Brand
THORNE
Diet type
Gluten Free
Flavour
Citrus Fish
Item form
Capsule
Primary supplement type
Vitamin C

🍊Natural citrus bioflavonoids antioxidant boost

🔬Third-party certified purity & potency

🛡️500 mg Vitamin C for immune defense

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1690202₫

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Sold byAmazon VietnamDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🍊 Elevate your wellness game with Thorne’s Vitamin C blend—because your health deserves the spotlight.

PURE VERIFIED - Third-party tested to guarantee label accuracy and zero contaminants—transparency you deserve.
GLOW FROM WITHIN - Supports collagen production for radiant skin, strong nails, and healthy hair—because your glow is your signature.
IMMUNE POWERHOUSE - 500 mg Vitamin C combined with citrus bioflavonoids delivers superior antioxidant protection to keep you thriving.
CLEANSE ENERGIZE - Enhances natural detox pathways and boosts cellular energy with potent antioxidants like glutathione.
CLINICALLY TRUSTED - Backed by 100+ pro sports teams and top healthcare practitioners, ensuring elite-grade quality you can rely on.

Thorne Vitamin C 500 mg capsules combine pure Vitamin C with natural citrus bioflavonoids to support immune health, collagen synthesis, and detoxification. With 90 servings per bottle, this gluten-free, third-party certified supplement is trusted by professional athletes and healthcare experts alike for its verified potency and purity.

Specifications

ASIN	B09FYFM7N3
ASIN	B09FYFM7N3
Age Range Description	Adult
Best Sellers Rank	#668 in Health ( See Top 100 in Health ) #6 in Vitamin C Supplements
Brand Name	THORNE
Color	orange
Customer Reviews	4.8 4.8 out of 5 stars (3,302)
Customer reviews	4.8 4.8 out of 5 stars (3,302)
Diet Type	Gluten Free
Dosage Form	Capsule
Flavor	Citrus,Fish
Item Dimensions	6.6 x 6.6 x 11.4 centimeters
Item Form	Capsule
Item Weight	82 g
Item model number	C154
Manufacturer	Thorne Research
Manufacturer	Thorne Research
Material Type Free	en_AE
Number of Items	90
Primary Supplement Type	Vitamin C
Product Benefits	Immune Support
Product Dimensions	6.55 x 6.55 x 11.43 cm; 81.65 g
Special Ingredients	Citrus Bioflavanoids
Specific Uses For Product	Skin
UPC	693749012481
Unit Count	90 Count

Reviews

ا**ه

استرجاع منتج واستبداله بطلب اخر تم اعلامهم بالاسترجاع لم يتم الحضور لاستلامه

3.08.2023

C**R

The capsules hurt my stomach

Hurts my Stomach

29.03.2025

A**R

Best product, highly recommend

20.03.2026

P**R

Thorne always deliver quality products.

7.01.2026

W**E

THORNE Vitamin C – High-Quality, Effective, and Gentle on the Stomach! I’ve been taking THORNE Vitamin C for a while now, and it has quickly become my go-to vitamin C supplement. THORNE is known for its high-quality, science-backed supplements, and this one definitely lives up to the reputation. Pure & High-Quality Ingredients One of the things I appreciate most is that THORNE uses pure, well-sourced ingredients without unnecessary additives, artificial fillers, or allergens. It’s free from gluten, dairy, and soy, making it a great choice for those with sensitivities. Easy on the Stomach Unlike some other vitamin C supplements that can cause stomach irritation, this one is gentle and well-tolerated, even when taken on an empty stomach. No bloating or discomfort, which is a huge plus! Effective Immune & Antioxidant Support I’ve noticed an improvement in my immune health and overall energy levels since taking this supplement regularly. It also supports skin health and collagen production, making it a great all-around vitamin for wellness. Capsule Form – Convenient & Absorbable The capsule form is easy to swallow, and it absorbs well without the chalky taste or acidity that comes with some powdered vitamin C options. Final Verdict If you’re looking for a high-quality, pure, and effective vitamin C supplement, THORNE Vitamin C is an excellent choice. It’s gentle, highly absorbable, and backed by a trusted brand. Highly recommended!

24.02.2025

M**S

Great quality source of vitamin c. Easy to swallow and perfect to boost the immune system

12.12.2025

L**A

Great quality vitamins.

27.10.2024

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