I made a big mistake.
Howdy. I got a job 1.5 months ago, and I just today got a chunk of my money, $160, from my Mother, who’s been borrowing it 
I’d planned on getting a gym membership and supplements with my first paycheck, but I’ve had to wait about 6 paychecks. Flush with money in my wallet today, I made a very silly decision – I went to Vitamin World and bought some supplements that looked good without doing some research first. I knew I was taking a big risk at the time, but I was too excited to care. I spent $35 on NOS Blast, a creatine-nitric oxide-caffeine-arginine-whatever mix of stuff. It’s supposedly exactly the same as ‘Amped ECN NOS’.
I got my gym membership soon after, but I wasn’t able to workout today anyways. I opened the product, so a return is not possible. I just did some research on the product, and I am the biggest asshole in the world.
I have a few questions. First off, is this stuff quite unhealthy? My Mother wants to use it for energy for her job, which is fairly physical and tiring. Would it be ethically incorrect to let her use this stuff? Will it negatively affect her healthy if she took, say, one scoop (they recommend 2-3 before a workout) before work with a large beverage?
Now, about supplements! So, if I understand it correctly…
-Creatine- allows you to pump with authority for a slightly longer period before you gas out. You take it after a workout. You only need about 3-5 grams per day (or was that per dose?). I’ll piss out most of the creatine I consume. It’d increase my reps, no? It also should make my intellect a bit keener. It directs water into my muscle tissue, so I’ll need to hydrate effectively while using it. -If I take creatine, how should I dose it? One dose a day? 4-5? How much per dose? Thanks-
-Caffeine- hardens my arteries.
-Nitric Oxide- isn’t something that I need as the basis of a supplement.
-Whey- Just a protein supplement? Anything wrong with it? I’m too lazy to do much research, so if it’s more than just protein, please elaborate if you can.
-Glutamine- can prevent muscle deterioration, and is expended en masse during a workout, so I need it.
That’s all I’ve found so far. I know it’s probably wisest to do my own research, but I want the easy way out this time. What should I be taking? I’m 17, 6’0, ~175, I haven’t been working out very long, and I’ll be looking to add functional strength and get much better at running, and eventually cutting a bunch of fat.
What would be a wise bunch of supplements? What kind of supplements should I be using, and how? Any advice? Thanks in advance, much appreciated 
Also, I know to eat big. Protein and whatnot. I’m going to be buying myself steak, chicken, fish, things of that nature, as well as fruits. I got a fancy multi-vitamin that I assume wasn’t as bad a purchase as the creatine mix. I hope I don’t come off as too much of a fool, I’m new to this and I want to learn, I’m just impatient and somewhat lazy. Thanks for your assistance.