This Vitalabs Graviola (650 mg/100 Capsules) normally $11.99, now is $6.50 at A1Supplements. Even with $5.95 flat shipping. This is the lowest price we found anywhere by $5, making this 29% discount for a similar product. Graviola is a powerful natural herb from the Amazon Rainforest. About Graviola: While the FDA does not allow any claims to be made regarding the potential cancer fighting properties of Graviola because it is a natural health supplement; still, many people have reported that graviola has helped them with their fight against cancer.*