Could vitamins be causing weight loss plateau?

I may be way off here but I think some vitamins I was taking are why my weight has been plateaued. I was taking both fish oil and evening primrose oil. I started taking both of these around the time my weight plateaued which would have been at the beginning of June or the end of May. I stopped taking the evening primrose June 26th and the fish oil June 27th. Could these 2 vitamins be why I'm still plateauing - I haven't lost anything for almost 4 weeks now no matter what I do. Does anyone know how long these vitamins are in the system? I'm curious if these are why I couldn't lose any weight at all and how long will it be before they are out of my system?

I've just started doing 30 day shred and I'm going to start walking more or maybe running/walking intervals and some strength training. I've been trying to switch what I've been eating with veggies and drinking more water. I've also tried to cut down on the amount of salt I eat. Nothing is working

Don't lose hope! It will come off!

44 lost so far is no small feat. You know you can do it and it will eventually happen.

Most people plateau at some point if they have a lot to lose. The most likely reasons are that your body has evened out food and exercise and reached a stable metabolism, and that you are holding in water. Water retention has been known to last for more than 6 weeks!

To get past the plateau, do 3 things better.
1. Drink water regularly. Try to drink something like 2 liters every day. Eventually it has to start coming out properly.
2. Log everything you eat. And I mean everything. You seem to do a good job, but really make sure you are getting amounts and weights correct. You may be over-eating and not realize it.
3. I see a lot of the same, short exercises. Your body could use a break from monotony. Get a new exercise video, try to go swimming, hike in a mountain instead of walking. If you can't change it up easily, add 15 minutes to every exercise for 2 weeks.

Lastly, you were at 83% RDI last month. While a good gauge, the RDI is not perfect. If you shoot for 75% this month you will see the difference.

I know that Black Cohosh makes you gain weight. Started taking it for my wonderful hot flashes and I gained 5 lbs in a week with still watching what I eat. I will just sweat!

I think they can. I was taking a supplement with flaxseed, fish oil, and borage oil (or something like that), and I stopped losing weight very fast. I would lose a half a pound a week or so. I stopped taking them (coincidentally after reading your question, but not because of it), and then I started dropping fast-about a half pound a day. I don't know if it was coincidence or not, but I don't think I'll take them anymore!

Thats interesting because i take flaxseed oil and it actually increases my metabolism and suppresses my appetite. I also heard evening primrose was good for weight loss. I guess its best to experiment and see how your body responds when you stop taking it for a while