Apple cider vinegar sounds simple until you actually go to take it, and then the questions start. How much? When? Straight or diluted? On an empty stomach or with food? Get it wrong and you'll either irritate your stomach, damage your tooth enamel, or just quietly give up. Get it right and it's an easy daily habit. Here's exactly how.
How much apple cider vinegar should you take?
The common, sensible amount is 1 to 2 teaspoons, up to a tablespoon (about 15ml), of apple cider vinegar per day, always diluted in a full glass of water. More is not better here, larger amounts don't improve results and are harder on your teeth and stomach. Start at the low end, especially if you're new to it, and see how you feel before working up.
When is the best time to take it?
Take it just before or with a meal. The idea is to give your stomach a little acidity right when it has food to break down, which is when ACV is most useful for digestion. Many people take it before their largest meal of the day. Taking it well away from food, or on a completely empty stomach, is more likely to cause discomfort and misses the moment it actually helps.
How to take apple cider vinegar safely
This is the part people skip, and then wonder why ACV "doesn't agree with them."
- Always dilute it. Never drink it straight. Undiluted vinegar is acidic enough to harm tooth enamel and irritate your throat and stomach. A full glass of water is the rule, not a suggestion.
- Protect your teeth. Consider sipping through a straw, and rinse your mouth with plain water afterward. Don't brush immediately after, wait about 30 minutes.
- Take it with food, not on an empty stomach, to reduce the chance of irritation.
- Don't lie down right after. Stay upright for a bit, especially if you're prone to reflux.
- Start small and be consistent. A little most days does far more than a big dose once in a while.
Liquid vs. capsules: an easier way to dose
If the sour taste, the enamel worry, or just the daily ritual of mixing a drink is the thing that makes you quit, capsules solve most of it. A capsule delivers a consistent, measured dose with no taste and no direct acid on your teeth. It's simply an easier habit to keep, and a capsule can also carry more than vinegar alone. We compare the formats in detail in ACV gummies vs capsules and rank the options in our best apple cider vinegar capsules guide.
Who should be cautious
ACV is well tolerated by most people, but check with your doctor first if you're pregnant or nursing, take medications (including for diabetes or diuretics), have kidney issues, or deal with acid reflux or ulcers. If ACV consistently causes discomfort, that's your body's answer, and it's fine to stop.
Where Margaret fits in
If you want the ACV habit without the sour glass every morning, that's exactly what Margaret's Daily Gut is for: 1,000mg of apple cider vinegar in one daily capsule, plus a probiotic, prebiotic fiber, and digestive enzymes. No dilution math, no enamel worry, no shot, just a consistent dose in a 10-second habit that supports digestion.
The bottom line
Take 1 to 2 teaspoons (up to a tablespoon) of apple cider vinegar, always diluted in a full glass of water, just before or with a meal, and be consistent. Protect your teeth, don't take it straight or on an empty stomach, and check with your doctor if you're pregnant, nursing, or on medication. If the ritual is the barrier, a capsule is the simplest way to keep it up.
Frequently asked questions
How much apple cider vinegar should I take per day?
A common approach is 1 to 2 teaspoons, up to a tablespoon (about 15ml), diluted in a full glass of water, once a day. Start at the low end and be consistent. More is not better and can be harder on your teeth and stomach.
When is the best time to take apple cider vinegar?
Just before or with a meal, ideally your largest one, so the acidity is there while your stomach has food to break down. Avoid taking it on a completely empty stomach, which is more likely to cause discomfort.
Can I drink apple cider vinegar straight?
No. Undiluted ACV is acidic enough to damage tooth enamel and irritate your throat and stomach. Always dilute it in a full glass of water, and consider using a straw and rinsing afterward.
Can you take apple cider vinegar on an empty stomach?
It's generally better taken with or just before food. On an empty stomach it's more likely to cause irritation for some people, and it also misses the mealtime moment when it's most useful for digestion.
Are ACV capsules a good way to take apple cider vinegar?
Yes, capsules give a consistent, measured dose without the sour taste or enamel concern, which makes the habit easier to keep. Look for a real dose and, ideally, added gut support like a probiotic, prebiotic fiber, and enzymes.
Keep reading
- Does apple cider vinegar help with bloating?
- ACV gummies vs capsules: which is better?
- Best apple cider vinegar capsules: 2026 buyer's guide
These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
