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 wellness game with the pro-grade Vitamin C blend everyone’s talking about!

GLOW FROM WITHIN - Stimulate collagen production to elevate skin, hair, and nail health—because your glow deserves premium care.
IMMUNE SHIELD POWER - Fortify your defenses with a potent 1000mg Vitamin C blend enhanced by natural citrus bioflavonoids for superior antioxidant support.
RECOVERY ACCELERATOR - Speed up wound healing and tissue repair with a scientifically backed formula trusted by pro athletes and Olympic teams.
ELITE TRUSTED FORMULA - Backed by Mayo Clinic collaboration and chosen by 100+ professional sports teams, join the ranks of champions prioritizing health.
CLEAN PURE CONFIDENCE - Gluten-free and free from common allergens, ensuring a clean supplement experience tailored for your wellness lifestyle.

THORNE Vitamin C delivers a powerful 1000mg dose of Vitamin C combined with citrus bioflavonoids to support immune function, collagen synthesis, and cellular energy production. This gluten-free, allergen-conscious formula comes in a 90-capsule supply, trusted by professional athletes and developed in collaboration with Mayo Clinic to ensure premium quality and efficacy.

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