Liquifix is an FDA Approved lubricant. It meets California's tough indoor air standards and has an Indoor Advantage Gold Certification by the SCS (Scientific Certification Systems) and H-1 Certification for Food Processing Use by the NSF (National Sanitation Foundation).
Liquifix comes in 4 oz spray bottles, 16 oz spray bottles, 1 gal bottles, 5 gal pails, and 55 gal drums.
If there is the potential for food contact, use Liquifix. It is a food grade alternative to WD-40.