I'm not sure if there legit, they are all a 1/4 cc overfilled and the green writing scatches off if yu really try. If yu have 10 and yu look at all of them the dot size is a little diffrent. I've been taking them for 3 weeks 2 for first week and 3 for the second and third I have lost weight and muscel well dieting low carbs and fat High protien as I understand the primos preserve the muscel tissue on low cal diets these have not I believe them to be fake small blue dot on neck brown bottles fr spain. for more info message me for lote no exp date so on I will be posting a pic later this week.. hope this helpsJS