CA Civ Code Section 1694.5

(a)

As used in this chapter, a weight loss contract is a contract with any weight loss program or center that offers any of the following:

(1)

Instruction, counseling, supervision, or assistance in weight reduction, body shaping, diet, and eating habits, by persons who are not licensed health care professionals.

(2)

Use of facilities of a weight loss center for any of the purposes specified in paragraph (1).

(3)

Membership in any group, club, association, or organization formed for any of the purposes specified in paragraph (1).

(4)

Prepackaged, or premeasured “diet foods” provided by the weight loss program or center.

(b)

This chapter does not apply to any contract for health studio services as defined in Section 1812.81.