The following are some interesting links regarding fitness and nutrition:

Exercise – Nutrition - Mind
www.strunz.com (German language only)

A well-balanced diet to regulate you weight and improve your overall health.
www.metabolic-balance.de (German language only)

Vitamins, minerals, trace elements and essential fatty acids for ideal health protection
www.orthomol.de (Available in English and German)

Strength training for prevention and therapy
‘ A strong back knows no pain’
www.kieser-training.com (Available in English and German)