Now Foods Riboflavin 400mg Sustain Release

Sustained-release 400mg Vitamin B2 tablets from modified aromatic synthesis for extended migraine prevention therapy. HTS 3004.50.10.00 as retail measured dose single vitamin product.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFreeFree
🇲🇽MexicoFreeFree
🇨🇦CanadaFreeFree
🇩🇪GermanyFreeFree
🇯🇵JapanFreeFree

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

3003.39Higher: 10% vs Free

If sustained-release with fillers

Complex matrices may qualify as mixed medicaments.

2936.22.00.00Same rate: Free

If time-release bulk granules

Industrial granules without final tablet form are chemicals.

2106.90.80.00Higher: 26% vs Free

If wellness timed-release

Non-specific health claims shift to supplements.

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

Provide release profile data proving sustained therapeutic delivery

Matrix composition disclosure for FDA active ingredient verification

Higher potency requires stricter purity assays

Related Products under HTS 3004.50.10.00

Riboflavin 5mg Tablets

Tablets containing 5mg of synthetic Vitamin B2 (riboflavin), synthesized from aromatic compounds, put up in measured doses for retail sale to treat riboflavin deficiency. This falls under HTS 3004.50.10.00 as a single unmixed vitamin product for therapeutic use in blister packs or bottles.

Vitamin B2 400mg Capsules

High-potency 400mg riboflavin capsules for migraine prevention, synthesized partly from modified aromatic compounds, in measured doses for retail sale. Classified under HTS 3004.50.10.00 due to its single-ingredient therapeutic formulation in consumer packs.

Riboflavin Sodium Phosphate Injection 10mg/ml

Single-dose vials of 10mg/ml Vitamin B2 (as riboflavin sodium phosphate) synthesized from aromatic compounds for therapeutic IV administration in deficiencies. HTS 3004.50.10.00 applies as an unmixed product in measured doses for prophylactic/therapeutic retail pharmacy sale.

Solgar Riboflavin 100mg Vegetable Capsules

Vegetable cellulose capsules with 100mg synthetic Vitamin B2 from aromatic sources for prophylactic treatment of migraines and anemia. Classified in HTS 3004.50.10.00 for retail-measured vegetarian therapeutic product.

Riboflavin Effervescent Tablets 200mg

200mg Vitamin B2 effervescent tablets from synthetic aromatic sources, dissolving in water for migraine prophylaxis intake. Under HTS 3004.50.10.00 as single vitamin in measured retail therapeutic doses.

Kirkland Signature Vitamin B2 100mg

Costco branded 100mg riboflavin tablets synthesized wholly from aromatic industrial compounds for retail therapeutic sale against deficiencies. HTS 3004.50.10.00 for measured dose packaging.