I actually came on to look at this product to see if anyone else mentioned heart palpitations. I started taking this a few weeks ago and the day after I took it I started getting this weird palpitation (like skipping a beat) that lasted for close to a week. I hadn't changed anything in my diet or exercise plan but couldn't pinpoint what might be causing this irregularity. I finally looked to this product but thought it would be really weird if this caused it. I read the ingredients to make sure I hadn't looked over something and it seemed really innocent. The palpitations eventually stopped and I didn't take this again for a while. A few days ago I decided to try it out again and once again later that day or the next the palpitations were back and I'm still waiting for them to go away. There is a correlation that may or may not be causation but I won't be taking this again! If the palpitations go away and don't come back I'll consider this the culprit. I'm almost 40 years old and have a very healthy heart and have never had anything like this before. This is all just incidental to me so maybe I'm wrong or maybe there are a few of us that for whatever reason react to this supplement strangely. Just be ware and if your heart starts skipping a beat consider that it may be this.

I take BCAA every time I do fasted cardio or plan a hard workout. I love the convenience of tablets so I can keep them in my gym bag and take 30 minutes before my exercise. These are really big tablets so be careful to take one at a time. Would be 5 stars if they were a little smaller. Otherwise it's an amazing product and exactly what anyone needs who is doing athletic activity to preserve lean muscle tissue from being used as energy.

Titanium dioxide CARCINOGENIC, among other things, BE AWARE

Loved the product and the price, it was recommended as a source of extra energy for a Very Physically Demanding job, it has helped me lose a little weight and it helps with energy without the peaks associated with caffeine

This is the Amino Acids you should take before workouts. Gives a Boost in the gym.<br />I use Met-Rx because the have a quality Product. Use there L- Glutamine after workouts.<br />It helps in recovery and muscle growth. Ive been working out for 29 years

This stuff works. I was previously wasting money on my gym membership because I would just not have any energy....any of that "umph". I started taking these before I went to the gym and I'm now able to complete my workout. I couldn't even call it a workout before. These give you the energy to exercise.