But it turns out there are some small but well-conducted double-blindstudies demonstrating significant reductions in migraines in people taking one of these supplements.
但结果是有虽然小但是反映良好的双盲测试证明吃任意一种营养品的人，偏头痛症状确实有明显减轻。
2
A spokesman added: 'The claim was supported by well-designed, double-blind, placebo-controlled human studies.
一位发言人补充道：“这个断言得到严格设计、双盲和安慰剂对照人体研究的支持。”
3
The approval was based on data from 2 prospective, randomized, double-blind placebo-controlled clinical studies.