ProSupps L-Carnitine Liquid 3000, Stimulant-Free Liquid Shots, Berry Review

Crank up the energy without cranking up the sugar. ProSupps L-Carnitine is a 100% stimulant-free liquid shot that delivers premium L-Carnitine plus Vitamin B5 in every tablespoon, giving you a clean, sugar-free way to support fat metabolism, natural metabolic energy production, fat transport, and muscle recovery. Available in two potencies—L-Carnitine 1500 for a moderate daily dose, or L-Carnitine 3000 for a full clinical dose—it allows you to choose the option that best fits your goals and routine. It comes in options such as 31 servings or 60 servings and flavors including Berry, Lemon Drop, Blue Razz, Dragon Fruit, and Green Apple. L-Carnitine is a natural compound and important amino acid that plays a key role in helping your body turn fat into energy. Essentially, it acts like a shuttle, transporting long-chain fatty acids into your cells' mitochondria, where they are oxidized and burned as fuel to generate adenosine triphosphate (ATP). This helps your body use stored fat more efficiently as an energy source both when you exercise and rest, though research suggests it is especially effective during intense exercise and longer training sessions. Supplementing with L-Carnitine can boost endurance, reduce fatigue, and improve recovery after tough workouts. Paired with Pantothenic Acid (Vitamin B5), an essential nutrient that helps your body break down carbs, fats, and proteins into energy, the formula becomes even more effective at supporting energy production and exercise endurance. Together, they support longer, more intense workouts so you can push harder and recover faster. For suggested use, take one tablespoon daily or as directed by a physician or licensed nutritionist, or mix it with your favorite juice or beverage. Research shows it is beneficial to consume L-Carnitine with 20-30g of carbohydrates and ideally 20-30g of protein, such as with breakfast or a pre-training meal, to facilitate proper uptake into the muscle cell. This gluten-free formula contains 0% juice, zero fillers, zero banned substances, and zero FD&C dyes, and undergoes rigorous third-party testing for purity, efficacy, and transparency.

Product Focus: Weight and Metabolism for MenAlso covers:DigestionHeart
Tier ⓘ
Members see this product's tier and why. Tiers run from 1, the strongest evidence, to 5. How we grade →
Evidence ⓘ
How strongly the evidence says this product works: human studies count most, then real reviews, then our biohacker panel.
Positive Reviews
Biohacker Mentions
Cost per month
$29

Study, Trial or Testing Result Summary

MembersHuman studies

2 of these 30 human studies gave l-carnitine by drip, not by mouth.

This product provides L-carnitine for weight management, though the exact amount per serving is hidden in a blend. pooled human analyses find that L-carnitine offers a extra in weight. …

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Review Totals and Summary

Members1,391 reviews
1,391 reviews · IHerb 1,109 · Walmart 111 · Vitacost / iHerb 111 · Target 60

This ProSupps L-Carnitine Liquid 3000 supplement has garnered about 1391 ratings across various stores, with an impressive of those giving it 4 or 5 stars. Overall, customers are with its effectiveness, taste, and convenient liquid form. **What it did for buyers** users report experiencing a noticeable in energy and endurance during workouts. …

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Biohacker Summary

MembersWhat our biohacker panel says

of the panel or uses L-carnitine, with four it, three , one and one who stopped. The main reasons are moving fat into the cell's energy centers for fat burning and exercise, male and female fertility and sperm quality, heart , and brain and mitochondrial energy. …

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RAL Summary

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More Details

MembersBody systems · Combine with · Possible side effects

Body systems: Metabolic system, Digestive system, Cardiovascular system. Combine with and possible side are for members.

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Supplement Facts

Includes 0 g Added Sugars 0 g · Pantothenic Acid 10 mg · L-Carnitine 3000 mg
Supplement Facts
Serving Size Serving Size: 1 Tablespoon (15 mL)
Servings Per Container 31
Amount Per Serving% Daily Value
Calories0
Total Carbohydrate0 g0%
Total Sugars0 g†
Includes 0 g Added Sugars0 g0%
Pantothenic Acid10 mg200%
L-Carnitine3,000 mg†
* Percent Daily Values are based on a 2,000 calorie diet.
† Daily Value not established.

Other ingredients: Other Ingredients: Filtered Water, Phosphoric Acid, Citric Acid, Malic Acid, Natural Flavors, Sucralose, Acesulfame Potassium, Potassium Sorbate (Preservative), Sodium Benzoate (Preservative).

Directions: SUGGESTED USE: Take one tablespoon (15mL) of L-Carnitine 3000 daily or as directed by a physician or licensed nutritionist. You may also mix with your favorite juice or beverage. SHAKE CONTAINER WELL BEFORE EVERY USE.

Label source: Prosupps · Report a label change

Where to Buy

ProSupps · iHerb · Walmart
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Graded October 28, 2026 by the Reverse Age Lab evidence engine, from human studies, real reviews and our biohacker panel. How we grade. Is this medical advice? No. Rala organizes the published evidence; go over any change with your doctor, especially if you take meds.