Jung und Frei (German), like Jeunes et Naturels (French), is published by Peenhill Ltd. Peenhill, also the publisher of Health & Efficiency, one of the oldest, most widely read nudist/naturist soft-core pornographic publications based in Lichtenstein, with corporate headquarters throughout the world.

Over the years, Peenhill has been promoted by a wide variety of nudist groups. Many of Leif Heilberg's photographs taken at Naturist Society Gatherings and beaches throughout the world end up in their magazines, often as centerspreads. However, due to extreme pressure from several members the American Sunbathing Association MAY have disassociated themselves finally from Health & Efficiency and Jeunes et Naturels.