---
kind: "section"
citation: "21 C.F.R. § 610.10"
title: "21"
number: "610.10"
heading: "Potency."
url: "https://uscodex.org/cfr/21/610.10"
---

# §610.10. Potency.


Tests for potency shall consist of either in vitro or in vivo tests, or both, which have been specifically designed for each product so as to indicate its potency in a manner adequate to satisfy the interpretation of potency given by the definition in [§ 600.3(s)](/cfr/21/600.3.md?p=s) of this chapter.


## Notes

### Authority

Authority: 21 U.S.C. 321, 331, 351, 352, 353, 355, 360, 360c, 360d, 360h, 360i, 371, 372, 374, 381; 42 U.S.C. 216, 262, 263, 263a, 264.

### Source

Source: 38 FR 32056, Nov. 20, 1973, unless otherwise noted.