To support the immune system DR. THEISS Immune Direct Spray is a dietary supplement containing vitamin B6, vitamin C, selenium, and zinc. The selected combination of vitamins and minerals can have a positive effect on the immune system. Application: Give 3 sprays directly into the mouth twice a day (morning and evening). Note: The stated recommended daily intake must not be exceeded. Food supplements should not be used as a substitute for a varied and balanced diet and a healthy lifestyle.