Ready & Packaged Foods
All →Vegetables & Legumes
All →Desserts & Confectionery
All →Meat & Protein
All →Grains & Bakery
All →Beverages
All →Milk & Dairy
All →
Glycine and N-acetylcysteine supplement
CALORIES · 100 G
FIBER · 100 G
1 teaspoon (medium) of Glynac (5 g) has 20 calories. That works out to 400 calories per 100 g. It contains 0 g of carbs, 5 g of protein, 0 g of fat and 0 g of fiber. Under the NOVA system it is classified as "Ultra-Processed".
Selected: 1 teaspoon (medium) · 5 g
20
KCAL / 5G
Carbs
0g
· 0% DV
Protein
5g
· 10% 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 0% · Protein 100% · Fat 0%
| Nutrient | Amount | % DV |
|---|---|---|
| Calories | 20 kcal | |
| Total fat | 0 g | 0% |
| Saturated fat | 0 g | 0% |
| Trans fat | 0 g | |
| Total carbohydrate | 0 g | 0% |
| Fiber | 0 g | 0% |
| Protein | 5 g | 10% |
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 teaspoon (medium) | 5 g | 20 kcal |
| ½ teaspoon (small) | 2.5 g | 10 kcal |
| 1 serving (medium) | 7 g | 28 kcal |
| 2 teaspoon (double) | 10 g | 40 kcal |
| 1 pack (small) | 10 g | 40 kcal |
| 1 tablespoon (medium) | 15 g | 60 kcal |
| 100 g | 100 g | 400 kcal |
Calculated from 400 calories per 100 g.
Glynac is a dietary supplement combining glycine and N-acetylcysteine (NAC), not a whole food. It is classified as ultra-processed because it is made from isolated ingredients rather than minimally processed foods.
Glycine and NAC are ingredients the body uses to make glutathione, so Glynac is studied for its potential effect on glutathione levels. That does not mean it reliably raises levels or produces a proven health benefit for everyone.
There is no established daily dose of Glynac that applies to everyone. The typical serving listed here is about 5 grams, or one medium teaspoon; follow the product’s directions rather than treating that serving as a personal prescription.
Glynac may cause digestive symptoms such as nausea, heartburn, or diarrhea in some people. These effects can occur with NAC-containing supplements; stop taking it and seek medical advice if symptoms are severe or persistent.
Glynac does not have to be taken on an empty stomach as a general rule. If it irritates your stomach, taking it with food may be more comfortable; follow any different instructions on the product label.
Glynac combines glycine with NAC, while an NAC-only supplement provides N-acetylcysteine without added glycine. The combination is different, but having two ingredients does not by itself prove that Glynac works better.
Glynac has not been proven to slow aging or extend lifespan. Researchers are studying glycine and NAC in relation to processes associated with aging, but that research does not establish Glynac as an anti-aging treatment.
Glynac may interact with some medicines, so people taking regular prescriptions should check before using it. Ask a doctor or pharmacist first, particularly if you use nitrate medication or have a chronic health condition.
There is no established timeline for when Glynac should produce a noticeable effect. Research has not established a predictable response for everyone, so claims that it works within a particular number of days are not well supported.
Keep Glynac tightly closed in a cool, dry place away from direct sunlight. Moisture can affect supplement powders, so use the storage instructions on its packaging if they differ from this general guidance.
To burn the 20 calories in 1 teaspoon (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.
Glynac is a dietary supplement combining glycine and N-acetylcysteine (NAC). It is commonly sold as a powder, with a typical serving of about one medium teaspoon, rather than as a dish or everyday food. The name reflects the two amino-acid ingredients, not a traditional recipe or a particular cuisine.
The powder can be mixed into water or another drink; its taste may vary with the formulation, so some people prefer it in a flavoured drink. Nutritionally, it is a concentrated source of these ingredients, not a source of fibre or a balanced meal. It is best treated as a supplement alongside ordinary meals, not as a meal replacement. Follow the directions on the specific product label for serving size and preparation.
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 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.
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.