Apple Cider Vinegar:20 Benefits, Side Effects & How to Use It

For centuries, people have turned to simple pantry staples for powerful health solutions, and few remedies have stood the test of time quite like Apple Cider Vinegar. This golden-hued liquid, created through the fermentation of crushed apples, has transformed from a humble kitchen ingredient into one of the most celebrated natural remedies.

Whether you’re looking to support your digestive health, manage your weight, or enhance your skincare routine, Apple Cider Vinegar offers a remarkable range of applications. This article explores 20 health benefits of apple cider vinegar and potential side effects. In addition, we will also share effective ways to incorporate it into your daily routine for maximum benefit.

What Is Apple Cider Vinegar?

Apple cider vinegar is a fermented liquid made from crushed apples. Throughout history, apple cider vinegar has been used for various purposes across different cultures. In ancient Greece, Hippocrates, often considered the father of modern medicine, prescribed it mixed with honey for numerous ailments.

Apple Cider Vinegar is made through a two-step fermentation process:

1. Step 1: Crushed apples are mixed with yeast, converting their sugars into alcohol
2. Step 2: Bacteria convert the alcohol into acetic acid — the main bioactive compound in ACV

The result is a sharp, amber-colored liquid with a pH of around 2–3. Raw, unfiltered ACV also contains the “mother” — a cloudy mix of proteins, enzymes, and beneficial bacteria that many health enthusiasts prefer.

Nutritional Profile of Apple Cider Vinegar

Here’s what you’ll find in approximately 1 tablespoon (15ml) of apple cider vinegar:

The true value of apple cider vinegar doesn’t lie in its macronutrient content but rather in its bioactive components, particularly acetic acid and various polyphenols.

20 Health Benefits of Apple Cider Vinegar

Here are the potential benefits of incorporating apple cider vinegar into your routine:

1. Helps Regulate Blood Sugar Levels

This is arguably the most well-studied benefit of ACV. Multiple studies show that consuming apple cider vinegar before or with a high-carb meal can significantly lower post-meal blood sugar spikes.

A landmark study published in Diabetes Care found that vinegar improved insulin sensitivity by 19–34% in people with insulin resistance. The acetic acid in ACV appears to slow the digestion of starch and reduce the rate at which glucose enters the bloodstream.

“Vinegar ingestion at bedtime moderates waking glucose concentrations in adults with well-controlled type 2 diabetes.” — Diabetes Care, 2007

Practical tip: Mix 1–2 tablespoons in a large glass of water and drink it before meals.

2. Supports Weight Loss and Appetite Control

ACV won’t melt fat overnight, but it can be a helpful tool in a weight management plan. A 2009 Japanese study involving 175 obese participants found that those who consumed vinegar daily for 12 weeks had lower body weight, BMI, and waist circumference compared to the placebo group.

How does it work? Acetic acid appears to:

• Increase feelings of fullness (satiety)
• Reduce calorie intake throughout the day
• Boost fat-burning metabolism at a cellular level

3. Promotes Heart Health

Cardiovascular disease is the leading cause of death globally, and ACV may offer some protection. Animal studies have shown that acetic acid can lower triglyceride and cholesterol levels. In humans, observational data from the Nurses’ Health Study found that women who used oil-and-vinegar salad dressings frequently had a lower risk of fatal ischemic heart disease.

ACV also contains chlorogenic acid, an antioxidant that may help prevent LDL cholesterol from oxidizing — a key step in the development of arterial plaque.

4. Powerful Antimicrobial Properties

Apple Cider Vinegar has been used as a natural disinfectant for centuries — and science backs this up. Studies confirm that ACV is effective against several harmful pathogens, including:

• Escherichia coli (E. coli)
• Staphylococcus aureus
• Candida albicans (a common yeast)

Its low pH creates an environment where many bacteria simply cannot survive. This is why ACV has been used traditionally to preserve food and treat minor infections.

5. Improves Gut Health and Digestion

The “mother” in raw ACV contains beneficial bacteria similar to those found in probiotic foods like yogurt and kimchi. While ACV isn’t a probiotic powerhouse, it can support gut health by:

• Stimulating stomach acid production, which aids protein digestion
• Acting as a prebiotic to feed good gut bacteria
• Reducing bloating and indigestion when taken before meals

If you struggle with low stomach acid (hypochlorhydria), a tablespoon of ACV in water before eating may offer real relief.

6. Supports Healthy Skin

Your skin has a naturally acidic pH of around 4.5–5.5. Many soaps and cleansers disrupt this balance, leading to dryness and irritation. Diluted ACV can act as a toner that helps restore your skin’s natural acid mantle.

Some people also use it for:

• Acne — its antimicrobial properties target acne-causing bacteria
• Dark spots — the alpha hydroxy acids (AHAs) in ACV may gently exfoliate
• Eczema — diluted ACV may reduce itching and improve the skin barrier

⚠️ Always dilute ACV (1 part ACV to 3–4 parts water) before applying to skin. Undiluted ACV can cause chemical burns.

7. Promotes Shinier, Healthier Hair

Hair has a slightly acidic pH, and alkaline shampoos can leave it looking dull and frizzy. An ACV rinse (diluted in water) can:

• Smooth the hair cuticle, reducing frizz
• Remove product buildup and residue
• Balance scalp pH, reducing dandruff

DIY Hair Rinse Recipe:

• 2 tablespoons ACV
• 1 cup water
• Optional: a few drops of lavender essential oil

Apply after shampooing, leave for 2–3 minutes, then rinse thoroughly.

8. Freshens Breath

Bad breath (halitosis) is often caused by bacteria in the mouth. ACV’s antimicrobial properties can help neutralize these odor-causing bacteria. Gargling with diluted ACV may provide temporary relief from bad breath.

⚠️ Don’t make this a daily habit without consulting a dentist — the acidity can erode tooth enamel over time. Always rinse your mouth with plain water afterward.

9.  May Reduce Acid Reflux Symptoms

This one seems counterintuitive — adding acid to fix acid reflux? Here’s the logic: acid reflux is sometimes caused by too little stomach acid, not too much. When stomach acid is low, the lower esophageal sphincter (LES) may not close properly, allowing stomach contents to rise.

ACV may help by boosting stomach acid levels, signaling the LES to stay shut. While clinical trials are limited, many people report significant relief. Start with a small amount (1 teaspoon in water) and see how your body responds.

10.  Boosts Energy and Reduces Fatigue

Intense exercise creates lactic acid buildup in muscles, contributing to fatigue. The amino acids in ACV may act as an antidote, and its potassium and enzyme content can help replenish electrolytes.

Additionally, ACV contains B vitamins and iron, which support energy production at the cellular level. Many athletes add a tablespoon to their pre-workout drink for a natural energy boost.

11.  May Improve Sleep Quality

Some research suggests that low potassium levels can interfere with sleep. ACV contains small amounts of potassium, and when combined with warm water and honey before bed, many people report falling asleep faster and waking up more refreshed.

The amino acid tryptophan found in ACV may also play a role in promoting relaxation and melatonin production — though more research is needed here.

12.  Supports Bone Health

Apple Cider Vinegar may help the body absorb calcium and other minerals more efficiently. Its acetic acid content can enhance the bioavailability of minerals like magnesium, calcium, and phosphorus — all critical for bone density.

Some integrative medicine practitioners recommend ACV as part of an osteoporosis-prevention protocol, though it should never replace prescribed medications or calcium supplements.

13.  Natural Deodorant Alternative

Underarm odor is caused by bacteria breaking down sweat. Since ACV kills bacteria, applying diluted ACV to your underarms can neutralize odor naturally. It’s a popular choice among people looking to avoid aluminum-based commercial deodorants.

How to use: Dab diluted ACV on your underarms with a cotton ball. Let it dry before dressing. The vinegar smell dissipates quickly as it dries.

14.  Detoxifies the Liver

ACV is often included in liver-cleansing protocols in natural health circles. While the word “detox” is often overused, there’s some legitimate science here. Animal studies suggest that acetic acid may help reduce fat accumulation in the liver and support its natural detoxification pathways.

ACV also contains antioxidants like chlorogenic acid that protect liver cells from oxidative damage. Think of it as gentle liver support, not a miracle cure.

15.  Soothes a Sore Throat

ACV’s antibacterial properties make it a popular home remedy for sore throats. The acidic environment it creates is hostile to many throat-infecting bacteria. A common folk remedy involves gargling with a mixture of:

• 1 tablespoon ACV
• 1 tablespoon honey
• 1 cup warm water

The honey adds its own antimicrobial properties and soothes irritated tissue. Gargle every few hours at the first sign of a sore throat.

16.  Natural Household Cleaner

The benefits of Apple Cider Vinegar extend beyond your body. Its antimicrobial properties make it an effective, non-toxic household cleaner. It can be used to:

• Clean countertops and cutting boards
• Deodorize refrigerators and trash cans
• Remove mineral deposits from faucets and showerheads
• Kill mold and mildew on bathroom surfaces

All-purpose cleaner recipe: Mix equal parts ACV and water in a spray bottle. Add a few drops of tea tree oil for extra antimicrobial power.

17.  Supports Healthy Blood Pressure

High blood pressure (hypertension) affects nearly 1 in 3 adults in the U.S. Animal studies have shown that acetic acid can lower blood pressure by inhibiting an enzyme called renin, which plays a key role in regulating blood pressure.

While human studies are still limited, the potassium content in ACV also helps counteract the blood-pressure-raising effects of sodium. It’s a complementary strategy — not a replacement for prescribed medication.

18.  Relieves Foot Odor and Fungal Infections

Foot fungus thrives in warm, moist environments with a slightly alkaline pH. ACV’s acidity disrupts this environment, making it harder for fungi like Trichophyton (which causes athlete’s foot) to survive.

ACV foot soak:

• Fill a basin with warm water
• Add 1 cup of ACV
• Soak feet for 15–20 minutes
• Pat dry thoroughly

Regular use can reduce odor, soften calluses, and combat fungal overgrowth.

19.  May Support Cognitive Function

Emerging research suggests a link between gut health and brain function (the gut-brain axis). Since ACV supports a healthy gut microbiome, it may indirectly support cognitive health, mood, and mental clarity.

Additionally, ACV’s ability to stabilize blood sugar is significant for brain health — the brain relies almost exclusively on glucose for fuel, and blood sugar swings can cause brain fog, irritability, and difficulty concentrating.

20.  Anti-Inflammatory Properties

Chronic inflammation is at the root of many modern diseases, from arthritis to heart disease to depression. ACV contains polyphenols and antioxidants that help neutralize free radicals and reduce inflammatory markers in the body.

While ACV isn’t a substitute for anti-inflammatory medications, incorporating it into an overall anti-inflammatory diet — rich in fruits, vegetables, and healthy fats — can contribute to lower systemic inflammation over time.

Potential Side Effects and Risks of Apple Cider Vinegar

While apple cider vinegar offers numerous benefits, it’s not without potential downsides, especially when used improperly:

• Tooth Enamel Erosion – The high acidity can damage tooth enamel with prolonged contact. Always dilute ACV and consider using a straw.
• Digestive Discomfort – Some people experience stomach pain, nausea, or indigestion, particularly when consuming undiluted ACV.
• Throat Irritation – The strong acids can irritate the throat and esophagus, especially if consumed straight.
• Potassium Depletion – Excessive, long-term use might lower potassium levels in some individuals.
• Medication Interactions – May interact with certain medications, including diabetes drugs, diuretics, and heart medications.
• Delayed Stomach Emptying – While beneficial for blood sugar control, this effect can worsen symptoms in people with gastroparesis.
• Skin Burns – Undiluted application can cause chemical burns or irritation to sensitive skin.
• Bone Density Concerns – Theoretical risk of reduced bone density with excessive, long-term use due to acid load.
• Blood Sugar Drops – May cause hypoglycemia in diabetes patients taking insulin or other medications.
• Pregnancy and Breastfeeding Caution – Limited safety data for these populations; moderation is advised.

How to Use Apple Cider Vinegar Safely and Effectively?

Incorporating apple cider vinegar into your routine requires careful attention to dosage, dilution, and method of use to maximize benefits and minimize risks.

Choosing the Right Apple Cider Vinegar

When purchasing apple cider vinegar, look for:

• Raw and Unfiltered: This ensures the presence of “the mother.”
• Organic: Reduces exposure to pesticides and chemicals.
• With the Mother: This cloudy sediment contains beneficial bacteria, enzymes, and proteins.

Internal Use: Dosage and Dilution

The most common and recommended way to consume apple cider vinegar is diluted in water.

• Standard Dose: 1-2 tablespoons (15-30 ml) of ACV per day.
• Dilution: Mix 1-2 tablespoons of ACV in 8-10 ounces (240-300 ml) of water.
• Timing:
  • Before Meals: Often recommended to aid digestion and help manage blood sugar responses.
  • In the Morning: Some prefer it as a morning tonic for overall wellness.
• Start Slow: Begin with 1 teaspoon diluted in water once a day and gradually increase to 1-2 tablespoons, 1-2 times a day, as your body adjusts.
• Use a Straw: To protect tooth enamel, drink diluted ACV through a straw.
• Rinse Afterward: Always rinse your mouth with plain water immediately after consuming ACV.
• Avoid Undiluted ACV: Never drink ACV straight, as it can burn your esophagus and damage tooth enamel.

Internal ACV Recipes

• Simple ACV Tonic: Mix 1-2 tbsp ACV with 8 oz warm or cold water. Add a squeeze of lemon juice for flavor and extra benefits.
• ACV & Honey Drink: Combine 1-2 tbsp ACV, 1 tbsp raw honey, and 8 oz warm water. Honey can help mask the strong taste and add its own health benefits. This combination is often explored for apple cider vinegar and honey benefits.
• Salad Dressing: Use ACV as a base for homemade salad dressings. It’s a flavorful way to incorporate it into meals without directly drinking it.
• Detox Drinks: ACV can be a key ingredient in various apple cider vinegar detox drinks alongside ingredients like lemon, ginger, and cayenne pepper.

Topical Use: Dilution and Application

When applying apple cider vinegar to the skin or hair, dilution is critical to prevent irritation.

For Skin

• Facial Toner/Acne Treatment: Mix 1 part ACV with 3-5 parts water (start with more water for sensitive skin). Apply with a cotton ball to cleansed skin. Follow with moisturizer. For specific issues like age spots on face, a more dilute solution might be tried.
• Spot Treatment for Blemishes: For individual pimples, a slightly stronger dilution (1:2 ACV to water) can be used, but patch test first and apply sparingly.
• Body Wash/Bath: Add 1/2 to 1 cup of ACV to a warm bath for general skin soothing and pH balancing. This is a gentler approach than direct application for widespread benefits.
• Wart Treatment: Apply undiluted ACV to a cotton ball, place it directly on the wart, and secure with a bandage overnight. This is an aggressive method; consult a doctor, and discontinue if severe irritation occurs.

For Hair

• Hair Rinse: Mix 1-2 tablespoons of ACV with 1 cup of water. After shampooing and conditioning, pour the mixture over your hair, focusing on the scalp. Leave for a few minutes, then rinse thoroughly with cool water. Use 1-2 times per week. This can significantly improve hair shine and scalp health.

For Foot Fungus/Athlete’s Foot

• Foot Soak: Mix 1 part ACV with 2 parts warm water in a basin. Soak feet for 15-20 minutes daily. Ensure feet are thoroughly dried afterward.

Other Uses

• Natural Cleaner: Mix 1 part ACV with 1 part water in a spray bottle for an all-purpose cleaner. Add essential oils like tea tree or lemon for added scent and antimicrobial properties.

How Much Apple Cider Vinegar Can You Take in a Day?

The appropriate amount varies based on individual health needs and tolerance:

For Adults:

• Most research showing health benefits used 1-2 tablespoons (15-30 ml) daily, diluted in water.
• For blood sugar management: 1-2 tablespoons before carbohydrate-containing meals.
• Maximum safe amount: Generally, limiting consumption to no more than 2 tablespoons daily is advisable.

For Children:

• Not generally recommended for children under 12 except in small amounts in food.
• Teenagers may use half the adult dose with proper dilution.

FAQs

1. Is apple cider vinegar with “the mother” better than filtered ACV?

Unfiltered apple cider vinegar containing “the mother” has more beneficial bacteria, enzymes, and proteins compared to filtered versions. For health applications, raw, unfiltered ACV is generally preferred.

2. Is it safe to drink apple cider vinegar every day?

For most healthy adults, consuming 1-2 tablespoons of diluted ACV daily is considered safe. However, long-term consumption of larger amounts may lead to problems like low potassium or tooth enamel erosion.

3. How long does it take to see benefits from apple cider vinegar?

Timeframes vary by benefit. Blood sugar effects may be noticeable immediately after consumption, while weight management, cholesterol improvement, and skin benefits typically require consistent use for 2-4 weeks or longer.

4. Is apple cider vinegar the same as white vinegar?

No. While both contain acetic acid, apple cider vinegar is made from fermented apple juice and contains additional beneficial compounds. White vinegar is typically derived from grain alcohol and contains mainly acetic acid and water, making it better suited for cleaning purposes.

5. How should I store apple cider vinegar?

Store at room temperature away from direct sunlight. Despite its acidic nature, ACV doesn’t require refrigeration after opening and can last for years when properly stored.

6. Is apple cider vinegar safe during pregnancy?

There is limited research on ACV safety during pregnancy. Small amounts of food are generally considered safe, but medicinal amounts should be avoided unless approved by a healthcare provider.

7. Can children take apple cider vinegar?

Small amounts in food preparations are generally considered safe for children. However, therapeutic doses should be avoided in young children, and teenagers should use reduced amounts compared to adults. Always ensure proper dilution to protect developing teeth and digestive systems.

8. Is it better to take apple cider vinegar in pill or gummy form?

While ACV pills and gummies offer convenience and avoid the strong taste and potential tooth erosion of liquid ACV, they often contain less acetic acid than liquid forms. The “mother” might also be less potent or absent.

The effectiveness of these forms is still under debate, and research is more robust for liquid ACV. If choosing gummies, be mindful of added sugars.