Apple cider vinegar has long been touted as one of the best natural remedies on earth. Unquestionably, this excellent health tonic abounds in health benefits and potent properties, due to which its use as food and medicine dates back thousands of years. Nevertheless, despite its wide range of uses and health benefits, its consumption is not recommended in some cases as it may cause serious side effects and lead to certain health problems.

Apple Cider Vinegar Health Benefits

The numerous benefits and versatility of ACV are widely known. This natural health tonic has served as an incredibly effective treatment for various health issues, including the following few.

  • Aids in Weight Loss: Apple cider vinegar aids in weight loss by emptying the stomach slowly and thus providing a feeling of satiety. This helps curb appetite and decrease food cravings.
  • Lowers Esophageal Cancer Risk: According to the findings of a Chinese study, ACV may help lower the risk of esophageal cancer by even 37%.
  • Heals Athlete’s Foot & Yeast Infections: Thanks to its powerful antibacterial and antifungal properties, apple cider vinegar is helpful in the treatment of various infections, including yeast infections and athlete’s foot.
  • Lowers Blood Pressure and Bad Cholesterol Levels: Apple cider vinegar helps to reduce high blood pressure and bad cholesterol levels in your blood due to the acetic acid contained in it, thereby lowering your risk of various cancers as well.
  • Lowers Blood Sugar Levels: This sour liquid is also used as a home remedy for blood sugar control and diabetes owing to its anti-glycemic effect. It helps block some of the digestion of starches, thereby preventing blood sugar levels from rising.

Don’t Use ACV If You’re On Any of These Medications!

Everyone is familiar with the wide range of health benefits offered by apple cider vinegar. Therefore, it might come as a surprise to find out that this highly beneficial liquid may not be welcome in some cases. Yes – it’s true – even the healing and most versatile ACV has some limitations. This is so mostly due to the fact that when taken in large amounts, apple cider vinegar tends to lower potassium levels in the body.

Due to its potassium-lowering effect, this otherwise healthy sour liquid may interact with certain prescription drugs, which is why it is advised against its consumption in the following cases:

  1. Insulin

Insulin is usually prescribed to diabetics to help them regulate their blood sugar levels. As we already mentioned, ACV has long been used as a home remedy for the same issue as well. However, there are many studies that suggest against the use of apple cider vinegar with insulin, as this combination may drastically lower your potassium and blood sugar levels.

  1. Diuretics – Thalitone, Diuril, Microzidea & Lasix

Also known as ‘water pills,’ these medications promote elimination of water and salt from your body by increasing urine production. They are often prescribed in the case of edema (or swelling), glaucoma and high blood pressure.

Potassium is an essential mineral, which helps regulate the water balance in the body and counteracts the negative effects of high sodium intake.  Since apple cider vinegar reduces potassium levels in the body, its consumption may cause dehydration in this case.

  1. Lanoxin or Digoxin

This prescription drug is used for treating various heart conditions, including heart failure and atrial fibrillation, one of the most common forms of arrhythmia. Taking apple cider vinegar along with this drug might inhibit potassium absorption in the body, leading to increased risk of the drug’s side effects. These include issues with your vision, diarrhea, vomiting, dizziness, and mood swings.

Take apple cider vinegar with caution, as long term consumption of it may result in low potassium levels in the body, and potassium deficiency is widely known to cause numerous health issues. For example, daily consumption of 8 oz. of ACV for several years may lead to development of osteoporosis.

Who Else Should Think Twice Before Taking Apple Cider Vinegar


People with diabetes (type 1 or 2) should take apple cider vinegar with extreme caution, as this liquid reduces blood sugar levels. Therefore, if you take any prescription drugs for your condition, and you still want to add ACV to your diet, you should adjust your drugs and monitor your blood sugar more closely.

In addition, taking insulin may result in lower potassium levels. As it was discussed previously in this article, large amounts of ACV also lead to reduced levels of potassium in the body. This means that insulin taken along with apple cider vinegar may lower your potassium levels dramatically.

Postmenopausal Women

These women have an increased risk for reduced bone density. Therefore, they are advised against ACV consumption as it reduces the levels of potassium in the body and can cause osteoporosis.

Pregnant Women and Breastfeeding Mothers

Due to insufficient evidence of the effects of ACV on the body and the fetus during pregnancy, women who are pregnant are advised to avoid its consumption.

Also, breastfeeding mothers should avoid ACV as well, as this otherwise healthy liquid may have negative effects on the newborns.

Bladder Cancer Patients

People with bladder cancer are strongly advised against ACV consumption, as some studies suggest that increased intake of ACV may cause faster growth of bladder cancer.


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