Instruct: Classify Amazon reviews into positive or negative sentiment
Query: This isn't going to be cheap.

The author recommends a maintenance dose of 2.5gm of Omega-3's for eicosanoid control. This is to be combined with controlling your insulin by following a Zone diet. Higher doses are required to treat health issues. 5gm to improve cardiovascular health, 10gm for inflammatory pain, and 15gm for depression and neurological conditions.He recommends pharmaceutical grade fish oil, especially at these higher doses, because of less toxins and less gastric problems. Much of the fish oil you see in stores is only 30% Omega-3's, pharmaceutical grade is at least 60%.The author has me convinced. However, the oil he recommends is his own from searslabs.com which will cost at least $1.40 per day, $42 per month, just for the maintenance dose. I hope more options for concentrated sources of Omega-3's become available soon.