Homeopathic. Oligotherapy is a method of furnishing the body with the ions it cannot synthesize and which are indispensable for cellular enzymatic functions. This functional therapeutic modality requires the use of trace elements in precisely measured, small doses in a highly bioavailable form. These trace elements are co-factors in a multitude of biochemical reactions where they accelerate the speed of these reactions without ever modifying the important equilibrium that exists and that must reign within the body to maintain optimum health. UNDA Gammadyn Oligo-Elements are: convenient, effective, highly stable, highly bioavailable and great-tasting.Established over half a century ago in Belgium, UNDA is renowned for manufacturing exceptional homeopathic products utilized in supporting immune, lymphatic and endocrine systems. In the production of all homeopathic remedies UNDA uses only pure materials and herbs that are biodynamically grown or wildcrafted. UNDA produces a broad range of homeopathic products in various potencies including: the unique Numbered Compounds, Gemmotherapy macerates, Schuessler Tissue Salts, Gammadyn Oligo-Elements, Organotherapy, Plexes, creams and oils, as well as homeopathic compatible dental care.Each Ampoule Contains:Magnesium (from magnesium gluconate) 0.1044 mgOther ingredients: Glucose, Purified waterRecommended Adult Dose: Take one ampule one to two times daily on an empty stomach or as recommended by your health care practitioner. Squeeze contents directly into mouth. Hold under tongue for about 20 seconds and swallow.Contains no added wheat, gluten, corn, soy, salt, artificial coloring or flavoring, preservatives, dairy or animal products. Do not use if ampoule is opened. Store in a cool, dry place.