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hey guys, i'm new to this forum...wondering if someone could help...I've been training for almost 2 years solid. ju jitsu-kickboxing 4-5 times a week along with 1-2 miles 4-5 times a week. i'm really looking to cut up.
i've recently added whey protein to my diet as a meal replacement-as a woman i was told that soy would be my best bet but i haven't found one that i like, will whey protein be ok or will it cause weight gain

i think the only reason why they said to use soy is because it's been linked to raising estrogen levels...someone correct me if im wrong on this.

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Okay well I was looking for the answer to your question and I couldn't find a clear cut answer this is what I found though.

PROTEIN
For Ladies


Right now in the health food shops and fitness
centres there are various brands of protein
promoting they are just for women. The marketing
of these proteins seem to suggest that women need
different protein than men to achieve weight loss,
increase muscle definition and tone up. The fact of
the matter is that the human body, whether male or
female are made up of the same proteins. To
suggest that there are gender specific proteins is a
down right lie. The make up of muscles, enzymes,
skin, hair, nails, bones, blood, all the tissues in our
body, are the same for both males or females. To
trick women into believing there is a protein just
for them is deceiving and degrading. Women are
lead to believe that protein not labelled as women's
protein will make them bulk up and put on too
much muscle. This is far from the truth! A lot of
these so called women's proteins use the cheapest
proteins you can get. We all know that cheaply
processed proteins can cause bloating and
flatulence. Some women already have enough
embarrassing problems with bloating without
adding more fuel to the fire. Health food shops
and fitness centres promote these proteins to the
ladies because they are cheap and they can make a
bigger profit from them. Another thing is that these
proteins are promoted for weight loss. They have
pictures of slim figures on the container suggesting
that taking this protein will make you end up like
the picture on the tub. How are you going to get in
shape when the carbohydrate, fat and sugar
content of the protein is quite high and in some
cases higher than the protein content!

The Best Protein for Women to Use

A lot of people judge a protein by the amount of
amino acids it has per serving. This is true in
regards to comparing the amount of protein in the
product against another but it is not related to the
performance of the product or the amount of 'bio-
active' peptides in the protein. It's the 'bio-active'
peptides that have the specific functions within our
body and not the individual amino acids.
The amino acids are the building blocks for the
peptides. Every function in our body requires these
peptides. From producing hormones to keep us youthful looking to helping our liver produce enzymes to convert body fat into energy. Unless these are in an isolated form then the possibility of them being absorbed intact is very remote. Therefore it is the amount and type of isolated peptides which governs the best protein and not the quantity of protein or the amino acid profile. Unfortunately, most commercial proteins, if not all have a very small amount of these peptides and they are not in an isolated form.

Wantingmuscle- Thank you for the info...I've been taking "Maximum Protein"-whey from GNC it's low in carbs calories and fats, so far so good.

I would recommend instead going for a whey protein isolate. It's a better form of protein with less fillers such as ash, ect. that whey concentrate has. The GNC "guru's" probably recommended soy because you are a woman.

I haven't heard of that I don't think. I'm pretty sure that soy is linked to lowering test levels in men.

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Whatever you do supplement wise I would suggest buying it online instead of at GNC for your pocketbooks sake. Stores like BulkNutrition and DPSNutrition have almost anything you need at a fraction of the price.

If you can't tell I really despise GNC stores especially when they give you fake info just to make a sale

Now to address the myth that Soy may lower testosterone levels in males. One study that used Rhesus monkeys found that soy proteins had no effects on the reproductive hormones of these animals. Testosterone, DHEAS, sex hormone binding globulin (SHBG), testicular weight, prostatic weight, and other measurements were taken. They found no difference in hormonal changes between male animals who were given Soy and Egg protein.

got that from an article just to clear things up about the whole soy and test level thing

Hmmm. I'll try to find all the other articles stating the exact opposite. Just goes to show you can't put your faith in a single article.

Verb, also keep in mind that tests using actual humans are preferred for accurate results, but your example IS better than using rats. Also, since subjects were also given egg protein, I'm not sure how that will affect the outcome of the results.

They meant two different groups, one with soy and one with egg.

By the way, the trypsin inhibiting effect is not present in tofu and tempeh products. It is also eliminated if soybeans are cooked well. I'm not sure about TVP (textured vegetable protein, which is actually soy) but I've heard that many of the manufacturers take pains to eliminate the trypsin inhibitors. I would have to contact them to be sure. The trypsin inhibitors make soybeans hard to digest. I'm not sure that sweeping statements like the trypsin inhibitors cause chronic defeciencies in amino acid uptake are accurate. I think it is only an acute effect. However, if the large bulk of your protein intake is in the form of soy protein powder, then change that word to chronic. Therein lies the problem.

I don't think that eating a moderate amount of soy is going to cause chronic anything.

Phytic acid is a bean and grain thing. Soybeans do contain a large amount of it. Again, not a problem in the traditional soy foods. Easily eliminated from beans and grains by soaking and rinsing.

Let me be the devil's advocate. Ever hear the expression everything in moderation? It's a pretty useful saying. And it applies to just about every food you can imagine. Soy has sometimes been linked to thyroid problems. Guess what? Broccoli, one of the most revered vegetables around, contains five, count them, five goitrogenous compounds that interfere with the use of iodine in the thyroid. Does this mean that you are likely to have a problem even if you have thyroid deficiency? Probably not. You are just not likely to eat enough of brocolli to cause the effect.

Here's a shocker: brocolli juice is not good for infants. No surprise there, right. Yet it seems to come as a surprise that soy based infant formulas are not such a good thing. If someone was to start marketing a broccoli supplement for infants, and then babies started dying, would we attack broccoli? Or, if someone was making highly concentrated brocolli body building supplement (hypothetically), and it was linked to all sorts of negative effects? I don't know if we would condemn broccoli, but it would be silly to do so.

Much of the negative press that soy gets is because of its use in infant formulas. That's one of the things that started the whole debate. Infants and adults are not the same, right? They cannot eat the same things, and things affect them differently. Kind of like humans and rhesus monkeys.

You shouldn't eat huge amounts of broccolli or any other plant, for that matter. That's why I'm comparing soy and brocolli. They are both of the plant kingdom and they both contain powerful chemicals. I could give a long list of plant foods with similar attributes. Constituents that may beneficial in moderate amounts and harmful or even posonous in large amounts.

Tomatoes, for instance. They are of the nightshade family. Potatoes and eggplants too. Contrary to popular belief, it's not just the tomatoes plant that contains the poisons, the fruits do too, only in smaller amounts. Kind of makes it seem like you could eat too much tomato, doesn't it? Especially if it was some kind of tomato concentrate. Try eating 100 grams worth of double concentrated tomato paste a day for a couple of weeks and see how it works for you. Sounds ridiculous doesn't it?

So, I disagree that soy is bad. I agree that soy protein powder is bad or at least not a good idea. I wouldn't touch it. I don't think for a second that soy, as it has been traditionally consumed, in moderate amounts is a problem. I'm also not going off of broccoli and tomatoes.