I bought these vitamins when I was going through a major nutritional deficiency stage (sometimes I get very low on things, especially iron) and I needed to boost my vitamin/mineral levels quickly because of the side effects I was having (dizziness, lightheadedness, disorientation, etc). I took these for a few days and they hurt my stomach so badly. Every time I took them, I ended up with a massive stomach ache so I stopped taking them. I'm not sure what it was, I was taking them with meals as directed on the bottle. So these probably aren't suitable for everyone.

I am so happy to have purchased these vitamins! They offer me everything I've already been taking from three separate bottles plus a whole bunch more! The coating feels smooth and it is much easier to swallow than the larger, grainier Jamieson Vitamin B100 Complex tablets that I've also got here at home. While they are both the same length, the new Multi 100% vitamin is clearly not as wide.
The three pictures I've included (one picture next to the bottle; one picture next to my pen and one picture next to two quarters) show the size difference between the two products - the smaller being the Multi 100% vitamin.
The directions on the bottle says that these vitamins must be taken with food (or a glass of milk just to help them digest) and taken a few hours before or after any other meds you eat, chew or swallow. It is also a good idea to take one at the same time each day - as you do with the rest of your daily meds.
After a few days of taking these Multi 100% vitamins, I find it is a bit easier to wake up in the mornings. And the day doesn't drag on as much - so they do spark some sort of energy, which is nice.
My only complaint was getting into the bottle was really difficult with my aching hands. The push and turn lids are so difficult for me - but good news!! The Jamieson products with the flip lids fit the Multi 100% bottles! :)

Quick FYI if you have the same complaint about the push and turn lid: They had to use these ones on the Multi 100% bottles because of the high iron content, so Jamieson has to ensure that the lids are absolutely child-proof.

I will definitely buy this product again and totally recommend it to all friends, family and followers!