Procurement comparison
Side-by-Side Comparison
Scroll horizontally on mobile to view all vendors. Editor's Choice column is highlighted. Overall Rating ★★★★★ 4.9 ★★★★★ 4.5 ★★★★★ 4.6 ★★★★★ 4.4 ★★★★★ 4.3 Certifications cGMP, 503A/503B — Testing Methods 3rd-party HPLC + Mass Spec Third-party tested COA per ba
Review the documented criteria directly; this page does not generate a winner or rating.
- Scroll horizontally on mobile to view all vendors. Editor's Choice column is highlighted.
- Overall Rating
- ★★★★★ 4.9
- ★★★★★ 4.5
- ★★★★★ 4.6
- ★★★★★ 4.4
- ★★★★★ 4.3
- Certifications
- cGMP, 503A/503B
- —
- Testing Methods
- 3rd-party HPLC + Mass Spec
- Third-party tested
- COA per batch
- Independent lab verified
- In-house + third-party
- Product Count
- 80+
- 50+
- 60+
- 40+
- 70+
- Avg Price Range
- $35 – $85
- $30 – $70
- $25 – $65
- $20 – $55
- $15 – $45
- Shipping Speed
- 1–3 days
- 2–5 days
- US domestic
- 3–5 days
- 2–4 days
- International Shipping
- Yes
- No
- Limited
- COA Availability
- Available on site
- On request
- Per batch
- Wholesale / Bulk
- Yes — private label