It is a dietary supplement to maintain muscle flexibility. Birch sap is known to be a living water, it is enriched with fresh bud extracts and Bio. Ash and blackcurrant buds contribute to maintaining the flexibility of muscles and joints. Birch and blackcurrant buds help to eliminate toxins and waste produced by the muscles during physical exertion. Store in a cool place after opening. Do not exceed the recommended daily dose. A dietary supplement does not replace a varied and balanced diet and a healthy lifestyle.