Ready & Packaged Foods
All →Vegetables & Legumes
All →Desserts & Confectionery
All →Meat & Protein
All →Grains & Bakery
All →Beverages
All →Milk & Dairy
All →
Quick magnesium supplement, often lemon or flavored, water-soluble powder
CALORIES · 100 G
GI
POTASSIUM · 100 G
FIBER · 100 G
1 piece (medium) of Magnesium sachet (5 g) has 8 calories. That works out to 160 calories per 100 g. It contains 2 g of carbs, 0 g of protein, 0 g of fat and 0 g of fiber. Its 100 mg of Magnesium covers 24% of the Daily Value. Its glycemic index is 70 (high), so it raises blood sugar quickly.
Selected: 1 piece (medium) · 5 g
8
KCAL / 5G
Carbs
2g
· 1% 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%
| Nutrient | Amount | % DV |
|---|---|---|
| Calories | 8 kcal | |
| Total fat | 0 g | 0% |
| Saturated fat | 0 g | 0% |
| Trans fat | 0 g | |
| Sodium | 0.5 mg | 0% |
| Total carbohydrate | 2 g | 1% |
| Fiber | 0 g | 0% |
| Protein | 0 g | 0% |
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.
Log this food in EatBetter
100,000+ people use it
📸 Scan the code to get the app free.

| Serving | Amount | Calories |
|---|---|---|
| 1 piece (medium) | 5 g | 8 kcal |
| 1 piece (small) | 2.5 g | 4 kcal |
| 1 teaspoon (medium) | 4 g | 6 kcal |
| 1 tablespoon (large) | 8 g | 13 kcal |
| 1 piece (large) | 10 g | 16 kcal |
| 2 piece (medium) | 10 g | 16 kcal |
| 1 pack (jumbo) | 20 g | 32 kcal |
| 100 g | 100 g | 160 kcal |
Calculated from 160 calories per 100 g.
A magnesium sachet is a powdered supplement intended to add magnesium to your diet. The magnesium form and amount vary by product, so check the label rather than assuming each sachet provides the same dose.
Dissolve the magnesium sachet in the amount of water stated on the packet, stir, and drink it as directed. Some products have specific mixing instructions, so follow those rather than swallowing the dry powder.
A magnesium sachet is not a proven sleep aid for everyone. Correcting low magnesium may help if a deficiency is contributing to a problem, but taking a sachet does not reliably treat insomnia or replace good sleep habits.
A magnesium sachet does not reliably prevent or relieve cramps in everyone. It may be useful when low magnesium is involved, but cramps can have other causes, including exercise; persistent or frequent cramps deserve attention to their cause.
A magnesium sachet can cause loose stools or diarrhea, and sometimes nausea or stomach cramps. These effects are more likely with larger supplemental amounts; stop taking it and seek advice if symptoms are severe or persistent.
You do not always need to take a magnesium sachet with food. If it upsets your stomach, taking it with a meal may be more comfortable; follow the product directions, which can vary by formulation.
There is no set time for a magnesium sachet to produce a noticeable effect. It is a supplement, not an instant remedy, and whether you notice a change depends on why you are taking it and whether low magnesium is involved.
Yes, a magnesium sachet can be taken daily if the product directions support that use. Check the amount of elemental magnesium, not just the sachet’s total powder weight, and avoid stacking it with other magnesium supplements without checking the total.
Not always at the same time: magnesium can interfere with absorption of some antibiotics and thyroid medicines. If you take regular medication or have kidney disease, ask a doctor or pharmacist how to use the sachet safely.
The main difference is the format: a magnesium sachet is mixed into water, while a capsule is swallowed. Neither format is automatically better absorbed; the magnesium compound and the amount of elemental magnesium matter too.
Vitamins
Vitamin A
0µg · 0% DV
B1
0mg · 0% DV
B2
0mg · 0% DV
B3
0mg · 0% DV
Minerals
Magnesium
100mg · 24% DV
Calcium
0.25mg · 0% DV
Sodium
0.5mg · 0% DV
Potassium ⭐
0.25mg · 0% DV
GLYCEMIC INDEX
GLYCEMIC LOAD
Accounts for portion size — a more realistic measure than GI alone.
To burn the 8 calories in 1 piece (medium) (5 g):
🚶
Walking (5 km/h)
🏃
Running (8 km/h)
🚴
Cycling
🏊
Swimming
Times are calculated with the MET equation for a 70 kg adult. Actual burn varies with your weight, age and pace.
A magnesium sachet is a single-serve packet of powdered magnesium supplement, often lemon-flavoured or made with another flavour. It is commonly mixed with water, though the directions can vary by product, so follow the instructions on the packet.
Once dissolved, it is usually easy to drink, with a flavour that may be lightly tart or sweet. It can be taken at a time that fits your routine; unlike a drink served with a meal, it is best thought of as a supplement mixed with water. Its nutrition profile is not mainly about providing energy: the listed carbohydrates are more prominent than protein or fat. Check the label for serving guidance, and use plain water if you want to avoid adding extra ingredients.
High
How many vitamins, minerals and how much fiber this food carries per calorie. A high score means a lot of nutrition for few calories.
Low
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.
NOVA 3
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.
No known major allergens
Vegan
✓ Suitable
Vegetarian
✓ Suitable
Gluten-Free
✓ Suitable
Dairy-Free
— Not suitable
Mediterranean
✓ Suitable
Paleo
✓ Suitable
Whole30
— Not suitable
DASH
— Not suitable
Keto
✓ Suitable
Low FODMAP
— Not suitable
SATURATED
0g
MONOUNSATURATED
0g
POLYUNSATURATED
0g
Ask the AI nutrition coach — calories, portions, alternatives and more, answered in seconds in the app.
Nutrition data compiled from USDA FoodData Central and scientific sources.