My Bp has always been high on the 140/90 and even with doctor's medication (the strongest dose available) it was unstable, fluctuating between 130 -140. So i decided to give it a try & after the 1st capsule, my bp dropped significantly, now it's always in the 116/75 to 125/85 range. Very pleased with the results. I have gave a bottle to my dad to try & his bp is 120/80 for a 65 year old at 4pm. i think that''s a pretty good reading. Already starting on the 2nd big bottle. But it didn't work for my friend. So I guess it's quite subjective.