
Using ACV while fasting might sound strange to some. Intermittent fasting has become one of the most popular health and weight loss methods in recent years. Many people are drawn to it because it focuses more on when to eat rather than what to eat. But like any lifestyle change, it can come with some challenges, such as hunger pangs, energy dips, and digestive changes. This is where natural aids like apple cider vinegar (ACV) come into play. Adding ACV while fasting may help reduce these side effects and enhance the benefits of fasting.
What is Intermittent Fasting (IF)?
Intermittent fasting is not a diet. It’s an eating pattern. This means it's not about counting calories or cutting out entire food groups. Instead, it involves cycling between periods of eating and not eating, or fasting. During the fasting period, no calories are consumed. Water, black coffee, and unsweetened tea are usually allowed. It’s kind of like giving your digestive system a break, don’t you think?
Types of Intermittent Fasting

There are several ways to practice intermittent fasting, and people can choose one that suits their routine best:
- 16/8 Method: This involves fasting for 16 hours and eating during an 8-hour window. For example, eating between 12 PM and 8 PM.
- 5:2 Diet: In this method, normal eating takes place five days a week, and for two non-consecutive days, calorie intake is limited to around 500–600 calories.
- Alternate-Day Fasting: This pattern involves fasting every other day. On fasting days, either no food or a small meal (about 500 calories) is consumed.
- Eat-Stop-Eat: This involves a full 24-hour fast once or twice a week, such as from dinner one day to dinner the next day.
Not sure which one to pick? That’s normal
How Intermittent Fasting Works

When the body is in a fasting state, insulin levels drop. This drop signals the body to use stored fat for energy. As fasting continues, other hormones like human growth hormone increase, supporting fat loss and muscle gain. Cellular repair also kicks in during fasting, which is known as autophagy. This is when the body starts cleaning out damaged cells and regenerating new ones.
Kind of amazing how the body takes care of itself when given the chance, right?
This natural process helps reduce inflammation, improve brain health, and may even support longevity. It’s one of the reasons intermittent fasting is not just about weight loss but also about overall health improvement.
Benefits of Intermittent Fasting
The benefits of intermittent fasting go beyond weight control. Some of the key advantages include:
- Weight loss: By reducing the eating window, fewer calories are often consumed.
- Improved insulin sensitivity: This can help lower blood sugar and reduce the risk of type 2 diabetes.
- Lower inflammation: Chronic inflammation is linked to many diseases, and fasting may help lower it.
- Better heart health: Fasting can reduce cholesterol and triglyceride levels.
- Brain support: Fasting may protect against neurological diseases and improve mental clarity.
With all these benefits, it’s no surprise that many are turning to fasting as a way to boost their health.
What is Apple Cider Vinegar (ACV)?

Apple cider vinegar is made from fermented apple juice. During the fermentation process, natural sugars in apples turn into alcohol, and then into acetic acid. This acetic acid is what gives ACV its strong smell and tangy taste. ACV is rich in enzymes, probiotics, and acids that have been used for centuries in traditional medicine.
It’s often used for digestion, appetite control, and even skin care. More recently, its potential role in supporting intermittent fasting has gained attention.
How ACV Enhances Intermittent Fasting
Adding ACV while fasting can provide several helpful benefits:
-
Reduces Hunger
One of the hardest parts of fasting is dealing with hunger. ACV may help by increasing feelings of fullness. Some studies suggest that acetic acid can slow the rate at which food leaves the stomach, making it easier to go longer without eating. -
Stabilizes Blood Sugar
Fasting can sometimes lead to low energy or mood swings, especially for those new to it. ACV can help manage blood sugar levels by improving insulin sensitivity. This makes fasting more manageable and may reduce sugar cravings. -
Supports Digestive Health
ACV contains compounds that support digestion. It may help activate digestive enzymes, aiding in the breakdown and absorption of food during eating windows. A healthy gut can also improve overall well-being and immune function. -
Doesn’t Break a Fast
A common concern is whether ACV breaks a fast. The good news is that it’s very low in calories and carbohydrates. Drinking diluted ACV while fasting will not spike insulin or interrupt the fasting state. -
May Aid in Weight Loss
Because of its effects on hunger and blood sugar, ACV while fasting may help enhance weight loss efforts. It supports two key goals of fasting: appetite control and stable energy.
How to Use ACV While Fasting
Using ACV while fasting is simple, but it should be done carefully:
- Dilute It: Never drink ACV straight. Always mix 1 to 2 tablespoons in a large glass of water. This helps protect tooth enamel and the lining of the stomach.
- Start Small: Begin with 1 tablespoon a day and see how the body reacts. If well tolerated, it can be increased to 2 tablespoons per day.
- Timing Matters: The best time to take ACV while fasting is either before the first meal or in the morning. It can also be sipped throughout the fasting period.
- Adjust as Needed: Everyone is different. Some may benefit from daily use, while others might find every other day is enough.
Can you take apple cider vinegar pills while intermittent fasting?
A common question is whether apple cider vinegar (ACV) pills will break a fast. The good news is they won’t. ACV is very low in calories and carbs, so it won’t raise insulin or interrupt your fasting state.
Safety and Considerations
While ACV while fasting is safe for most people, there are a few things to keep in mind:
- If taking medications, especially for blood sugar or blood pressure, it’s important to speak with a healthcare provider before starting ACV.
- Some people may experience nausea or heartburn. If this happens, reduce the amount or stop use temporarily.
- Because ACV is acidic, it can erode enamel. Drinking it through a straw and rinsing the mouth afterward can help.
- Avoid on an empty stomach (if sensitive)
The Bottom Line
Intermittent fasting is a powerful way to improve health, manage weight, and support long-term wellness. While the process can have some hurdles, small additions like ACV while fasting can make a big difference. From reducing hunger and stabilizing blood sugar to supporting digestion and enhancing weight loss, apple cider vinegar is a simple yet effective tool.