looking at contents is one thing but youve got understand that products and supplements that contain natural ingrediants are not always comparible on ingredaint list.
for example natural produces and herbal ingredaints will be produced and shipped in batches and will range in quality and content greatly, just because something contains ingrediant X it doesnt mean that ingrediant will be as effective as another compnaies ingrediant X, i beleive nate and the like have to batch test and choose their ingrediant profiles very carefully as two products may contain the same amount of X but one will be of superior quality to another as the batch was superior.
To keep a high quality and effective range of supps they will have to pick and choose and also test to see if the produce is of enough quality to be wrothy of inclusion, this is where other compnaies differ as they will bulk buy in certain ingrediants and include them regardless of whether batch 1 was anywhere near as effective as batch 2, your paying for consistency and a quality guarentee and often explains why they are out of stock as the raw ingrediants are often not good enough for inclusion.
I used to fish alot and there was a tiger nut boom where everyone was hauling on these nuts, however you needed to get the tigers from a perticular sourced area as these ones contained a milky swet taste that the fish loved, if you bought elsewhere they were still tiger nuts but not effective as they lacked the specific characteristics that the other had and the fish would ignore them. a similar case here just because something has 200mg of X doesnt mean its as effective as another prduct with 200mg of X.
natural, farmed produce greatly varies and i honestly think the reason its expensive and often out of stock is that it is very hard to find a constant high quality source for these materials.
Its true that there can be different qualities for products with the same ingredients. On the other hand, if someone charges out the a$$ for a product, that doesn't mean its better.
One strategy a marketer can use, is to place their product in the premium category, and try to get a superior price. Examples: Mercedes, Michelin, Patagonia, Oakley, etc.
A lot of products that get away with that do so because their product has developed in to a status symbol, in combination with a quality that is noticably above the norm.
For supplements, the premium product strategy is hard to pull off. It can work in part as people have tendency to think that expensive stuff is better stuff, but if you can buy cheap stuff and don't see any difference, you will keep buying cheap.
Hcgenerate for example, was probably the highest priced test booster around, until Phytoserms came along. Now both those products, to me, seem way out of line with the market. On the other hand, if they work miracles, some people may be willing to keep buying.
I have had good luck with less expensive test boosters. I'm about to start on Hcgenerate (got it cheap), and I will see if the price lines up with the results.
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I still will pay more to know I'm getting something I like. Peace out 
