The clue is in the name. Supplements add nutritional value to your existing diet.
So taking supplements shouldn't take over from quality food. But they can help top you up.
Beware their are loads out there. If you have a look at pre workouts alone!
So keep it simple. Here a few that may help.
Typically taken post training to help with muscle growth. Whey protein is an easy way to increase protein intake. You can also mix with full fat yogurt, porridge as well your post training smoothie.
post workout smoothie idea
Blend 1 scoop of protein powder, 1 banana, 200ml of milk/soya/oat.
Most associated with bodybuilders and in the past often confused with steroids (yes, it was strange times). Creatine is found naturally in your body and it helps the muscles in your body produce energy during exercise or intense lifting. Try it with your post workout shake. If you are training 3 times a week and lifting regularly creatine may help.
BCAAs consist of three essential amino acids: Leucine Isoleucine Valine These amino acids are grouped together and help maintain muscle mass and can help with recovery.
Yes, protein bars. They are convenient. They normally have a good dose of protein as well. Another plus is they give you a sweet tooth fix, so instead of 4 chocolate hob nobs with the afternoon cup of tea you can replace them with a protein bar.
Pre-workouts are used to give the body that boost before training. Typically contains a lot of caffeine. Their are loads of options but you can't go wrong with a decent coffee.
Remember the above are all supplements to good nutrition but can help with your training and goals.