There's no magic formula that will fit everyone even from show to show you can't always rely on the same formula to do the trick, it all depends how your body is responding at any given time.. This is why investing in a coach is very important unless you are able to be objective on how you look (none of us really are, right?)
I would say the most important compounds to utilize when preparing for a show are....
Tren-A 75-200mg ED (depends on tolerance, years of training, history of usage etc.
Test-C or E can be kept in all the way until about 2-3 weeks out depending on the athletes genetic disposition for water retention
GH (4-36iu/day) (depends on sensitivity, level of training, tolerance and most of all budget... I believe most people are taking as much as they can afford)
Anavar up to 100mg/day
Primo up to 100mg/day
Anti-Estrogens:(most popular choices)
FatBurners:(most popular choices)
*Dosages are changing throughout the prep (16-20weeks)
**Not all of these are used @ the same time, it's depending on the point of the prep.
**These dosages are not recommended for beginners by any means. Unless training/diet have been on target for years and years these kind of dosages are just silly and dangerous to do without building them up accordingly over the years.
My best recommendation is to start with very low dosages and get the best benefit you can from these when your body is still sensitive. ONLY when you have hit a plateau you should slowly increase dosages. Taking high dosages isn't fun... So enjoy saving your money and getting great benefits from a low dose while you can.
This is very general(I would give you something more specific if it existed) but most pros are using these combos... it's very hard to keep with some of the genetics freaks so we do what we need to do and everyone's body responds differently. I have also experimented with peptides but I think it's better to put your money towards quality GH, gear and supplements. Peptides are hit and miss... You can always count on the basics.
Maybe you're wondering why I'm posting on here and not MD or elsewhere. Throughout my career I have used supplements from here for years and the quality is better than anything else you'll find. Most sponsored athletes are paid to give you a load of BS about their supplement companies(as if m-tech built Phil Heath, HA!) For example, the Plazma and Humalog is dream combo.