Decide which sourcing model aligns with your business goals: iHerb | Vitamins, Supplements, Natural Health Products iHerb. Vitamins, Supplements, Natural Health Products. Selling Supplements in the US: Do You Need a License?

Obtain an Employer Identification Number (EIN) from the IRS, which acts as your business's social security number .

If you intend to identify your business with your social security number, you must get an EIN. You can get it from the government; Paragon Labs USA Vitamins Raw Materials Supplier&Factory - Quality & Bulk

Depending on your location, you may need a local or state business permit . 2. Identify the Right Type of Supplier

Apply for a Sales Tax ID or Resale Certificate from your state . This allows you to buy inventory tax-free, as you will collect sales tax from the end consumer later .