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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🍊 Elevate your daily defense—because your immune system deserves the VIP treatment!

CLEAN PURE - Free from gluten, dairy, soy, nuts, and common allergens—because your wellness deserves zero compromises.
IMMUNE ARMOR - Fortify your defenses with 1000mg of pure Vitamin C paired with potent citrus bioflavonoids for next-level antioxidant support.
GLOW FROM WITHIN - Supercharge collagen production to enhance skin elasticity, hair vitality, and youthful tissue regeneration.
CONVENIENT WELLNESS - 90 capsules per bottle means a hassle-free, 3-month immune and skin health regimen that fits your busy lifestyle.
SCIENCE BACKED VITALITY - Crafted in the USA with a mission to extend your health span through personalized, scientifically validated nutrition.

Thorne Vitamin C with Flavonoids delivers a potent 1000mg dose of Vitamin C combined with natural citrus bioflavonoids in 90 capsules. Designed to support immune function, collagen production, and antioxidant protection, this allergen-free formula is crafted in the USA to promote healthier skin, hair, and overall vitality for adults.

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Units	90.00 count
Storage Instructions	Store tightly sealed at room temperature.
Serving Recommendation	1 Capsules
Brand	THORNE
Format	Capsule
Age Range Description	Adult
Country of origin	USA

ThorneVitamin C with Flavonoids - Blend of Vitamin C and Citrus Bioflavonoids - Support Immune System and Collagen Production - 90 Capsules

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