1 teaspoon (medium) of Pre-workout citrulline supplement (3 g) has 12 calories. That works out to 400 calories per 100 g. It contains 3 g of carbs, 0 g of protein, 0 g of fat and 0 g of fiber. Its glycemic index is 0 (low), so it raises blood sugar slowly.

Pre-workout citrulline supplement Nutrition Facts

Selected: 1 teaspoon (medium) · 3 g

KCAL / 3G

Carbs

· 1% DV

Protein

· 0% DV

Fat

· 0% DV

Fiber

· 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%

Pre-workout citrulline supplement nutrition facts table · 1 teaspoon (medium) (3 g)

Nutrient	Amount	% DV
Calories	12 kcal
Total fat	0 g	0%
Saturated fat	0 g	0%
Trans fat	0 g
Sodium	0 mg	0%
Total carbohydrate	3 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.

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How Many Calories in 1 Teaspoon of Pre-workout citrulline supplement?

Serving	Amount	Calories
1 teaspoon (medium)	3 g	12 kcal
½ teaspoon (small)	1.5 g	6 kcal
2 teaspoon (double)	6 g	24 kcal
1 serving (medium)	6 g	24 kcal
1 pack (mini)	6 g	24 kcal
1 serving (large)	8 g	32 kcal
1 tablespoon (medium)	9 g	36 kcal
100 g	100 g	400 kcal

Calculated from 400 calories per 100 g.

Frequently Asked Questions About Pre-workout citrulline supplement

What does a pre-workout citrulline supplement do?

A pre-workout citrulline supplement may support blood flow by helping the body produce nitric oxide, which can support exercise performance. Its effects vary, and taking it alone does not build muscle or guarantee a stronger workout.

How long before a workout should you take a pre-workout citrulline supplement?

A pre-workout citrulline supplement is commonly taken about 30–60 minutes before exercise. The best timing can vary with the product’s formulation, so follow its directions rather than taking extra to speed up the effect.

Does a pre-workout citrulline supplement improve the muscle pump?

It may. A pre-workout citrulline supplement can support blood flow and make muscles feel fuller during exercise, but that temporary “pump” does not guarantee greater strength or muscle growth.

What is the difference between L-citrulline and citrulline malate in a pre-workout citrulline supplement?

L-citrulline is citrulline on its own, while citrulline malate combines it with malic acid. A pre-workout citrulline supplement’s actual citrulline content can differ between these forms, so compare the ingredient details rather than just the scoop size.

Can you take a pre-workout citrulline supplement with creatine?

Yes, a pre-workout citrulline supplement can generally be taken with creatine; there is no well-established direct conflict between them. Check that your other supplements do not duplicate ingredients, especially if you use a multi-ingredient pre-workout blend.

What are the side effects of a pre-workout citrulline supplement?

A pre-workout citrulline supplement can cause stomach discomfort, nausea, or diarrhea in some people. It may also lower blood pressure, so anyone taking blood-pressure medication or prone to low blood pressure should use caution.

Does a pre-workout citrulline supplement contain caffeine?

A citrulline-only pre-workout supplement may be caffeine-free, but some blends add caffeine or other stimulants. Check the ingredient list if you are sensitive to caffeine, avoid stimulants, or plan to exercise close to bedtime.

Can you take a pre-workout citrulline supplement on an empty stomach?

Yes, a pre-workout citrulline supplement can be taken on an empty stomach; taking it with food is not essential. If it causes stomach discomfort, try taking it with a meal instead.

Is it safe to take a pre-workout citrulline supplement every day?

Many people use a pre-workout citrulline supplement regularly, and citrulline does not require cycling for everyone. Follow the product’s directions, and reconsider daily use if it causes side effects or contains additional stimulants.

Is a pre-workout citrulline supplement ultra-processed, and what is in it?

Yes, a pre-workout citrulline supplement is an ultra-processed supplement product. Its active ingredient is usually L-citrulline or citrulline malate; flavored blends may also contain sweeteners, flavorings, or anti-caking agents.

Pre-workout citrulline supplement Vitamins & Minerals

Vitamins

Vitamin A

0µg · 0% DV

0mg · 0% DV

Minerals

Calcium

0mg · 0% DV

Iron

0mg · 0% DV

Magnesium

0mg · 0% DV

Zinc

0mg · 0% DV

Sodium

0mg · 0% DV

Potassium ⭐

0mg · 0% DV

Pre-workout citrulline supplement Glycemic Index

GLYCEMIC INDEX

Low

0 Low5570100

GLYCEMIC LOAD

Low

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

How to Burn Off Pre-workout citrulline supplement

To burn the 12 calories in 1 teaspoon (medium) (3 g):

🚶

3min

Walking (5 km/h)

🏃

1min

Running (8 km/h)

🚴

2min

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 Pre-workout citrulline supplement?

A pre-workout citrulline supplement is a product containing citrulline, usually sold as a powder for use before exercise. It is part of a workout routine rather than a meal, and formulations and flavours can vary between brands. In many places, people mix it at home or at the gym shortly before training.

The powder is commonly stirred into water; the taste depends on whether the product is plain or flavoured. The nutrition table lists it as carbohydrate-heavy, while a typical serving is about 3 g. If you choose to use it, follow the serving and mixing directions on the package. Water makes for a simple, low-calorie way to prepare it.

How Nutritious Is Pre-workout citrulline supplement?

Satiety score

Low

0/ 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 Pre-workout citrulline supplement 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 Pre-workout citrulline supplement 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 Pre-workout citrulline supplement Good For?

Vegan

✓ 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

Pre-workout citrulline supplement Fat Profile

SATURATED

MONOUNSATURATED

POLYUNSATURATED

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Nutrition data compiled from USDA FoodData Central and scientific sources.

· Last updated: September 30, 2026

Pre-workout citrulline supplement Calories

Quick answer

Pre-workout citrulline supplement Nutrition Facts

Pre-workout citrulline supplement nutrition facts table.css-c5434f{font-weight:500;color:#979797;} · 1 teaspoon (medium) (3 g)

How Many Calories in 1 Teaspoon of Pre-workout citrulline supplement?

Frequently Asked Questions About Pre-workout citrulline supplement

What does a pre-workout citrulline supplement do?

How long before a workout should you take a pre-workout citrulline supplement?

Does a pre-workout citrulline supplement improve the muscle pump?

What is the difference between L-citrulline and citrulline malate in a pre-workout citrulline supplement?

Can you take a pre-workout citrulline supplement with creatine?

What are the side effects of a pre-workout citrulline supplement?

Does a pre-workout citrulline supplement contain caffeine?

Can you take a pre-workout citrulline supplement on an empty stomach?

Is it safe to take a pre-workout citrulline supplement every day?

Is a pre-workout citrulline supplement ultra-processed, and what is in it?

Pre-workout citrulline supplement Vitamins & Minerals

Pre-workout citrulline supplement Glycemic Index

How to Burn Off Pre-workout citrulline supplement

What is Pre-workout citrulline supplement?

How Nutritious Is Pre-workout citrulline supplement?

Satiety score

Is Pre-workout citrulline supplement Processed?

Does Pre-workout citrulline supplement Contain Allergens?

Which Diets Is Pre-workout citrulline supplement Good For?

Pre-workout citrulline supplement Fat Profile

Compare Pre-workout citrulline supplement

Foods Similar to Pre-workout citrulline supplement

Have another question about Pre-workout citrulline supplement?

Pre-workout citrulline supplement nutrition facts table · 1 teaspoon (medium) (3 g)