Seedline Bulk API Supply, home
Hormones

Hormone APIs, micronized where you need it.

Estradiol, estriol and progesterone (micronized), estradiol cypionate, estrone, anastrozole, clomiphene and enclomiphene.

Price-check one itemRequest the supplier file
Gloved hand spooning fine white powder onto an analytical balance inside a glass draft shield

Notes for this list

  • Controlled substances: none of the items on this page is federally scheduled. If you order a controlled substance, we'll ask for your DEA registration.
  • Estradiol, estriol and progesterone are components of approved drugs, so essential-copy limits apply.

What we list (23)

503B Category 1 FDA interim policy, conditions applyCategory 2 FDA safety risk, outside the interim policyBiologic not eligible for 503A/503B compoundingWithdrawn list not for human compoundingNo 503B pathway not on the bulks list, the shortage list or in Category 1503A HHS draft policy formVeterinary animal compounding

Status as of Nov 14, 2026. Sources: FDA 503B categories list (updated Mar 21, 2025), FDA Category 2 page (current Apr 22, 2026), 21 CFR 216.24, 21 CFR 530.41, 21 CFR 600.3(h)(6), HHS FR 2026-22192. No item we list is on the 503B bulks list today. Shortage status is checked when we price your request. Labels are a starting point, not a determination for your facility.

Questions

Do you supply micronized grades?

Yes, for estradiol, estriol and progesterone. Tell us the particle size you need.

Do you need my DEA registration?

Only for controlled substances. Nothing on this page is federally scheduled.

Can I start with one item?

Yes. Use the price-check form.

Every quote includes

A written price and pack size per item, the lot COA, and each item's FDA status as of the date we price it. Nothing ships until you approve the price sheet.

Request a quote