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Stevia can cause infertility in males and females

18/2/2019

17 Comments

 
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We know sugar in large amounts in our diets are not good, as it causes an excess of glucose, high cholesterol, weight gain, inflammation and over a period of time, many chronic diseases. So some "smart" scientists come up with artificial sweeteners to satisfy our guilty sweet cravings without the "calories" or sugar. But it usually turns out that one by one all artificial sweeteners have major downsides in causing unwanted side effects in your body, such as more weight gain, diabetes and even cancer. So this article may be a surprise to most, being about Stevia, a "natural" alternative sweetener.
​
Stevia comes from a South American plant, Stevia rebaudiana, native to Brazil and Paraguay. The leaves of the plant have traditionally been used in those countries as a sweetener to their tea, for sweet treats and a medicine. Stevia can suppress the growth of oral bacteria to reduce tooth decay, and reduce blood sugar levels. Stevia has also been shown to kill beneficial gut bacteria, which isn't ideal.

Despite these apparent benefits, Stevia has not been universally accepted as being safe for consumption in the USA or Europe or other countries. This decision appears to have been made on many scientific studies since the 1960s showing that Stevia can reduce severely reduce fertility in animals. In males, Stevia greatly affects the metabolism and use of testosterone, the male hormone, and effects on male reproductive anatomy, to affect fertility by over 60% and also affect other general male characteristics which are reliant on male hormones.

In studies on female animals, Stevia was shown to reduce fertility by 57-79%, similar to the results on male studies. The effects on female infertility lasted for months after intake of Stevia was ceased. Stevia has this contraceptive effect as it impacts your hormones and hormone receptors on cells. The contraceptive properties of Stevia have been known for a long time - with early studies in 1968 showing this. Native tribes have traditionally used Stevia for centuries for its contraceptive purposes!

While I am all for natural alternatives to today's mass-produced artificial food and medicines, some plants when ingested do have some negative health consequences, while others can be deadly. Many medications are simply artificial forms of just one (of many) active constituents of a plant. Many Stevia products are similar, being mass-produced or artificial forms of the plant extracts, rather than being the whole leaf.

It appears that Stevia has long-known contraceptive effects, but this hasn't been widely made public. And despite this research, Stevia is still available for sale as a sweetener and  food additive in many processed food products, which is concerning.

I'm not a fan of any artificial sweeteners, and sometimes the real thing is the safest option, but in small amounts only in real foods, such as in fruits or some sweet vegetables.

If you are looking to get pregnant in the near future, you need to really check what you are eating and what chemicals you are exposed to, before planning a family! This is something that I can help with! 
17 Comments

new research shows artificial sweeteners cause weight gain

18/7/2017

1 Comment

 
I have written and warned people before about the dangers of some artificial sweeteners (see my other articles below or on my Facebook page), but some new research has been published which again confirms some of the major dangers of these chemicals (Azad et al., 2017).

This new study, published today (17th July 2017), reviewed 37 other studies on over 400,000 people and up to a 10-year follow-up. The study focused on artificial sweeteners such as aspartame and sucralose, usually found in diet soft drinks and cordials, and weight loss shakes or protein powders, to name just a few products they are in. The study also looked at studies on stevioside (Stevia extract).

Some of the findings included that the artificial sweeteners can:

1) have adverse effects on glucose metabolism
2) affect your gut microbiome (digestive bacteria) by acting as an antibiotic
3) affect appetite control by stimulating appetite and preventing fullness after a meal, so you eat more and put on more weight
4) increase fat stores, thus contributing to obesity
5) increase the risk of various heart disease symptoms, including high blood pressure, stroke, and other heart-related events
6) increase the risk of type 2 diabetes.

The study concluded to say that they found "the consumption of non-nutritive sweeteners was NOT associated with weight loss", and that "the evidence does not clearly support the intended benefits of non-nutritive sweeteners for weight management", and "routine consumption of non-nutritive sweeteners may be associated with a long-term increase in weight and elevated risk of cardiometabolic disease".

This study highlights the importance of checking your product labels for these chemicals - aspartame (E951), sucralose (E955), and stevioside (E960), and avoiding these products. Install an additive app on your smart phone so you can check the additive numbers while you are shopping!

If you feel you need to use artificial sweeteners to lose weight, then you are not focusing on the causes of weight gain, and you can be making your weight worse.

If your weight is an issue, I can help by identifying all the causes of your weight gain, and resolving those to help you to achieve a healthy weight! This can be done with personalised consultations, or our weight loss program.

Please contact me for more information.

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1 Comment

meal replacement options are not real food or healthy

28/6/2016

0 Comments

 
I'm NOT a fan of commercial meal replacement options as a way of losing weight or getting healthy. I don't care what brands they are, the ones I have investigated are crap, and very bad for you.

The meal replacement brands all make big promises to helping you to lose weight quickly as long as you buy their product and do little else. One product that's dominating the radio adverts lately promises to guys to help them lose weight without you losing all the beers! What a joke! Alcohol gives you 7 calories per gram, compared to carbohydrates only giving you 4 calories per gram. With carbs being a major contributor to weight gain and other adverse health conditions, alcohol is far worse.
If you want to lose weight and be healthier, you need to acknowledge what you may have been doing in the past was wrong and take responsibility for that and make some major changes to your food choices and lifestyle. The marketing of these meal replacement products is that you can get healthier if you made SOME changes, but it's like you can still keep on smoking...
And then we look at the ingredients of these meal replacement products. They are scary. One meal replacement product for weight loss commonly advertised on the TV (Optifast) has two forms of sugar as the second and third highest ingredients, and aspartame, a cancer-causing artificial sweetener, in it as well. I can't see how this works to help with weight loss as sugar is one of the major causes of obesity and weight gain.
Another product is "the man shake" which contains a lot of carbohydrates, and thus contributes to weight gain. It also contains sucralose, an artificial sweetener (also known as "splenda") which has also been shown to cause cancer, and many other negative health effects including an increasing risk of diabetes, digestive conditions and more.
In addition, their suggested menu plan on their website is appalling, with so much food, including having morning tea, afternoon tea and dessert every day (except one day in a fortnight)! Eating a better meal plan and some regular movement or exercise will shift the extra weight far better than this meal replacement program ever will. And you DO have to lose some of the alcohol too.
Weight gain has many factors (of which I have written about here before) - many more than just what you eat or how little exercise you do. Hence to lose weight, you have the address all of the known or possible causes. These meal replacement programs do not fix any of these causes, and as such, they will not work for weight loss in the majority of people. Better would be to get a personalised plan from a Nutritionist and Naturopath that first identifies YOUR causes and treats your causes.
If weight gain is an issue for you, I'd like to help you with real, scientifically proven methods, that are still healthy and actually work! And without buying expensive artificial food full of unhealthy junk.

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0 Comments

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