A. In Canada, the maximum allowable daily dose is 40 mg, which is 10 softgels. Therefore, one can safely take more than the recommended 2-4 softgels per day, if needed. In the US the maximum allowable daily dose is 12 mg, which is three softgels. Some high level athletes take higher doses, when they are competing or doing strenuous training. There are no harmful side effects in any of the safety studies performed on Astaxanthin.