Reversitall is a unique anti-oxidant grape product, and includes a unique combination of beneficial organic chemicals, including trans-resveratrol, trans-viniferin, and oligostuibines. This product is produced from grape cane, red wine and raw grape juice. The grape product is usable as a food supplement having beneficial anti-oxidant properties. A method of making this food supplement includes solvent extraction from the grape cane, followed by vacuum drying without overheating the product. Another method for producing the product employs low temperature drying, and an apparatus to accomplishing this low temperature drying uses the surface of a body of heated but not boiling water to drive moisture off of the product. A method for using the food supplement involves human ingestion of desired amounts of the grape product as a daily food supplement.