Interestingly, the most expensive products provided the least PACs, and there was a 15-fold difference in the cost to obtain PACs across the products (for amounts of PACs, see the Supplements Results Table). In the supplements tested, PACs ranged from less than 5 mg to over 40 mg per daily serving. Which cinnamon supplement provided the most PACs?.With some extracts, smaller doses (as little as 120 mg) may be sufficient (See ConsumerTips™). The evidence is less clear regarding blood pressure (See What It Does).Ī dose of 1 gram (1,000 mg or about 1/2 teaspoon) of cinnamon bark powder per day may be sufficient to lower blood sugar levels in people with type 2 diabetes or prediabetes. Does cinnamon help control blood sugar or blood pressure?Ĭinnamon may modestly help control blood sugar levels.