You might hear whispers that grapeseed oil extract can increase bleeding. It’s not a myth, but it’s also not a red flag for everyone. The extract can mildly thin the blood because of its vitamin E and antioxidant effects.
If you’re scheduled for surgery or have a bleeding disorder, just put the supplement on pause for a bit. Common sense goes a long way—it’s the same caution you’d take with garlic or fish oil.
