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A single thick, round, off-white tablet with softly beveled edges and a smooth, matte surface rests on a plain surface.
Rennie· all products

Rennie antacid tablet Calories

Chewable antacid tablet; calcium- and magnesium-based

CALORIES · 100 G

270kcal

GI

78high

POTASSIUM · 100 G

0mg

FIBER · 100 G

0g

Quick answer

2 piece (double) of Rennie antacid tablet (1 g) has 4 calories. That works out to 270 calories per 100 g. It contains 0.9 g of carbs, 0 g of protein, 0 g of fat and 0 g of fiber. Its 92.5 mg of Calcium covers 9% of the Daily Value. Its glycemic index is 78 (high), so it raises blood sugar quickly.

Rennie antacid tablet Nutrition Facts

Selected: 2 piece (double) · 1.36 g

4

KCAL / 1.36G

Carbs

0.9g

· 0% DV

Protein

0g

· 0% DV

Fat

0g

· 0% DV

Fiber

0g

· 0% DV

DV is the share of the daily value covered, on a 2,000 kcal reference diet.

Calories come from: Carbs 100% · Protein 0% · Fat 0%

Rennie antacid tablet nutrition facts table · 2 piece (double) (1.36 g)

NutrientAmount% DV
Calories4 kcal
Total fat0 g0%
Saturated fat0 g0%
Trans fat0 g
Sodium1.63 mg0%
Total carbohydrate0.9 g0%
Fiber0 g0%
Protein0 g0%

Calories: Calories measure energy. Average daily need is 2,000 kcal. Excess calories are stored as fat, too few cause weight loss.

Carbs: Your body's primary energy source. The brain runs exclusively on carbs. Daily need: 275g.

Protein: Essential for muscle repair and cell growth. Daily need: 50g. Keeps you full and boosts metabolism.

Fat: Needed for hormone production and vitamin absorption. Daily need: 78g. Limit saturated fats, choose unsaturated.

Fiber: Critical for digestive health and satiety. Daily need: 28g. Stabilizes blood sugar, lowers cholesterol.

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How Many Calories in 2 Pieces of Rennie antacid tablet?

ServingAmountCalories
2 piece (double)1.4 g4 kcal
1 piece (mini)0.7 g2 kcal
3 piece (triple)2 g6 kcal
4 piece (large)2.7 g7 kcal
6 piece (extra large)4.1 g11 kcal
1 pack (whole)9.5 g26 kcal
100 g100 g270 kcal

Calculated from 270 calories per 100 g.

Frequently Asked Questions About Rennie antacid tablet

What is Rennie antacid tablet used for?

Rennie antacid tablet is used for short-term relief of heartburn and acid-related indigestion. Its calcium- and magnesium-based antacid ingredients neutralize stomach acid, but they do not treat the underlying cause of recurring symptoms.

What is Rennie antacid tablet made of?

Rennie antacid tablet contains calcium- and magnesium-based antacid ingredients; the inactive ingredients can vary by product version and market. It is classified as ultra-processed, but it is a chewable medicine rather than an ordinary food.

How do you take Rennie antacid tablet?

Chew Rennie antacid tablet thoroughly or let it dissolve in your mouth; do not swallow it whole. Follow the directions on your own pack for the dose and spacing, since instructions can vary between versions.

How quickly does Rennie antacid tablet work?

Rennie antacid tablet can start relieving symptoms soon after it is chewed and dissolves in the mouth. The timing and duration vary, so persistent or repeatedly returning heartburn should not be managed by taking extra tablets.

How many Rennie antacid tablets can you take in a day?

The maximum daily amount depends on the specific Rennie antacid tablet and the instructions for the market where it was sold. Follow the pack’s dose and interval, and do not take extra tablets to compensate for symptoms that continue.

Can you take Rennie antacid tablet with other medicines?

Rennie antacid tablet can affect how some medicines are absorbed, including certain antibiotics, iron supplements and thyroid medicines. The required gap varies by medicine, so ask a pharmacist how to space your doses rather than taking them together.

Can you take Rennie antacid tablet while pregnant?

Some people use Rennie antacid tablet during pregnancy, but the appropriate product and dose depend on your circumstances. Ask your doctor before taking it while pregnant, and follow the instructions on the specific pack.

What are the side effects of Rennie antacid tablet?

Rennie antacid tablet can sometimes cause constipation, diarrhea or stomach discomfort. Taking more than directed or using it for a prolonged period can disturb calcium or magnesium balance; seek medical advice if effects are severe or persistent.

Can you take Rennie antacid tablet every day?

Rennie antacid tablet is not intended for prolonged daily use without advice. Frequent heartburn may need assessment rather than repeated symptom relief, so follow the pack’s duration guidance and get medical advice if symptoms keep returning.

Should you chew or swallow Rennie antacid tablet?

Chew Rennie antacid tablet or let it dissolve in your mouth; it is not meant to be swallowed whole. This allows the chewable tablet to disperse as intended, and you should follow the specific pack’s directions.

Rennie antacid tablet Vitamins & Minerals

Vitamins

Vitamin A

0µg · 0% DV

B1

0mg · 0% DV

B2

0mg · 0% DV

B3

0mg · 0% DV

Minerals

Calcium

92mg · 9% DV

Magnesium

22mg · 5% DV

Sodium

1.63mg · 0% DV

Iron

0mg · 0% DV

Potassium ⭐

0mg · 0% DV

Rennie antacid tablet Glycemic Index

GLYCEMIC INDEX

78
High
0 Low5570100

GLYCEMIC LOAD

0.1
Low

Accounts for portion size — a more realistic measure than GI alone.

How to Burn Off Rennie antacid tablet

To burn the 4 calories in 2 piece (double) (1.36 g):

🚶

1min

Walking (5 km/h)

🏃

1min

Running (8 km/h)

🚴

1min

Cycling

🏊

1min

Swimming

Times are calculated with the MET equation for a 70 kg adult. Actual burn varies with your weight, age and pace.

What is Rennie antacid tablet?

Rennie antacid tablet is a branded chewable product based on calcium and magnesium compounds, rather than a snack or meal food. It usually has a soft, chalky texture when chewed, while the flavour can vary between versions. People in the UK and elsewhere commonly keep it on hand for occasional heartburn or indigestion, following the directions on the pack; it is not typically served alongside meals. The nutrition listing is mostly carbohydrate, with virtually no protein, though a tablet is a very small serving. If you take other medicines or are unsure when to use it, check the package instructions and ask a pharmacist.

How Nutritious Is Rennie antacid tablet?

Nutrient density

Low

8/ 100

How many vitamins, minerals and how much fiber this food carries per calorie. A high score means a lot of nutrition for few calories.

Satiety score

Low

13/ 100

An EatBetter score computed from fiber, protein and calorie density. A high score means staying full longer on the same calories.

Both scores are calculated per 100 g and do not change with the selected portion. The satiety score is EatBetter's own calculation, not a clinical measure.

Is Rennie antacid tablet Processed?

NOVA 4

Ultra-Processed

1. Unprocessed

2. Minimally Processed

3. Processed

4. Ultra-Processed

NOVA classifies foods into 4 groups by industrial processing. NOVA 1 (unprocessed) is the healthiest.

Does Rennie antacid tablet Contain Allergens?

No known major allergens

Gluten free
Dairy free
Eggs free
Peanuts free
Tree nuts free
Fish free
Soy free
Sesame free

Which Diets Is Rennie antacid tablet Good For?

Vegan

— Not suitable

Vegetarian

✓ Suitable

Gluten-Free

✓ Suitable

Dairy-Free

— Not suitable

Mediterranean

— Not suitable

Paleo

— Not suitable

Whole30

— Not suitable

DASH

— Not suitable

Keto

— Not suitable

Low FODMAP

— Not suitable

Rennie antacid tablet Fat Profile

SATURATED

0g

MONOUNSATURATED

0g

POLYUNSATURATED

0g

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Nutrition data compiled from USDA FoodData Central and scientific sources.