Yeast, candida and fungal imbalance are common in many people. It is a different matter to realising that this is the case for you. There are a few reasons why it is so common, but that is less important than addressing the issue.
One reason it is common actually comes down to diet, as too much yeast through food; bread, mushrooms, beer etc can overwhelm the body. A sign to look out for is anything like athletes foot, or any irregularity with nail patterns, especially on the feet. The same way the nails on the hands can indicate a vitamin deficiency, the nails on the feet are more likely to suggest an issue with yeast/fungus.
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This formula contains Thyme, Licorice, Rosemary and some other ingredients. I found it works very well. Personally, in addition to taking this, I also took Oxy-Powder from Global Healing Center. So, following the instructions, you would take the Thyme twice a day, then I'd take Oxy-Powder, a couple of capsules in the evening. You could also take a probiotic supplement, such as Latero Flora. The instructions from Finchley Clinic recommend taking for 3 months at least.
You can purchase the product here at Finchley Clinic: https://www.thefinchleyclinic.com/shop/thyme-formula-replaces-golden-seal-formula-e-4.html
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This formula contains ingredients wildcrafted Jatoba, wildcrafted Pau D'Arco, Licorice and others. It is interesting to note that the ingredient set is somewhat different from the Thyme formula, but both work to the same effect. Pretty cool, I think. This product is larger, with 120 capsules, but with a higher price. Although it is not mentioned in the literature I have read, for both products in my experience they are also anti parasitic as a side effect, which is always good. This formula works well, and I would follow the process taking with Oxy Powder. The guide recommends taking Latero Flora or other probiotic with it.
You can purchase the product at Global Healing Center: https://www.globalhealingcenter.com/supplements/mycozil.html#ingredients