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  5. L-Carnitine Supplements

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Czas dostawy może się różnić w zależności od sklepu i kraju. Aby dowiedzieć się więcej: Polityka wysyłkowa

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Shop Imported L-Carnitine Supplements from Global Brands Online in Poland

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ALPHA LION Burn2O L-Carnitine Liquid 2000mg Stim Free Super Thermogenic Fat Burner with MitoBurn & CaloriBurn GP, Metabolism Booster, Zero Calorie, Sugar-Free 31 Servings, Grapezilla Flavor
US Sklep
ALPHA LION

ALPHA LION Burn2O L-Carnitine Liquid 2000mg Stim Free Super Thermogenic Fat Burner ...
4.2

4k+ bought

PLN 291

Life Extension L-Carnitine 500 mg, Energy Supplement, Memory Supplement Free Form Amino Acid, Nitric Oxide Support, Healthy Blood Pressure Gluten-Free, Non-GMO, Vegetarian 30 Capsules
US Sklep
Life Extension

Life Extension L-Carnitine 500 mg, Energy Supplement, Memory Supplement Free Form ...
4.6

1k+ bought

PLN 83

14% WYŁĄCZONY
Nutrex Research L-Carnitine 3000 31 Servings, Berry Blast | Liquid Shots, Stimulant Free | Supports Muscle Recovery For Men and Women
US Sklep
Nutrex Research

Nutrex Research L-Carnitine 3000 31 Servings, Berry Blast | Liquid Shots, Stimulant ...
4.5

1k+ bought

PLN 157 183

Nutricost L-Carnitine Tartrate 500mg, 240 Capsules - 1000mg Per Serving 2 Bottles
US Sklep
Nutricost

Nutricost L-Carnitine Tartrate 500mg, 240 Capsules - 1000mg Per Serving 2 Bottles
4.6

1k+ bought

PLN 232

30% WYŁĄCZONY
Lean Sauce Liquid L-Carnitine 3500 - Pre Workout Formula, Stimulant Free for Optimal Absorption, Energy & Muscle Support - 15% More 3500 vs 3000
US Sklep
Pump Sauce

Lean Sauce Liquid L-Carnitine 3500 - Pre Workout Formula, Stimulant Free for ...
4.4

900+ bought

PLN 124 178

Old School Labs 4-in-1 Liquid L-Carnitine 3000 Plus for Energy & Metabolism | Fast Absorbing L Carnitine Supplement with Acetyl L-Carnitine, L-Tartrate, ProGBB & Vitamin B for Energy & Metabolism, 16oz
US Sklep
Old School Labs

Old School Labs 4-in-1 Liquid L-Carnitine 3000 Plus for Energy & Metabolism | Fast ...
4.5

900+ bought

PLN 183

Biolor High Absorption Propionyl-L-Carnitine PLCAR No Artificial Fillers - Effective Propionyl L Carnitine HCL Supplement to Support Blood Circulation - 120 Capsules
US Sklep
Biolor

Biolor High Absorption Propionyl-L-Carnitine PLCAR No Artificial Fillers - ...
4.5

800+ bought

PLN 226

NOW Foods Supplements, L-Carnitine 1,000 mg, Purest Form, Carnipure, Amino Acid, Fitness Support, Tablets, 150 Count
US Sklep
NOW Foods

NOW Foods Supplements, L-Carnitine 1,000 mg, Purest Form, Carnipure, Amino Acid, ...
4.7

700+ bought

PLN 239

Sheer Strength Labs Burner for Men - Clinically Backed Dose, Strongest Formula - Made in USA - Premium Blend of Rauwolscine, L-Carnitine, Capsaicin. 30 Servings
US Sklep
Sheer Strength Labs

Sheer Strength Labs Burner for Men - Clinically Backed Dose, Strongest Formula - ...
4.1

700+ bought

PLN 237

DR. MARTINS NUTRITION Extra Strength L-Carnitine - 200 Capsules - 1000mg Per Serving - Boost Your Metabolism and Increase Performance
US Sklep
DR. MARTIN'S NUTRITION

DR. MARTINS NUTRITION Extra Strength L-Carnitine - 200 Capsules - 1000mg Per ...
4.6

700+ bought

PLN 135

NOW Foods Sports Nutrition, L-Carnitine Liquid 1000 mg, Highly Absorbable, Citrus, 16-Ounce
US Sklep
NOW Foods

NOW Foods Sports Nutrition, L-Carnitine Liquid 1000 mg, Highly Absorbable, Citrus, ...
4.6

600+ bought

PLN 108

L-Carnitine L-Tartrate Capsules - Carnitine Supplement, L Carnitine 1000mg Capsules - L-Carnitine Tartrate, Gluten Free - 2 Capsules per Serving, 360 Capsules Pack of 1
US Sklep
BulkSupplements

L-Carnitine L-Tartrate Capsules - Carnitine Supplement, L Carnitine 1000mg Capsules ...
4.5

600+ bought

PLN 162

L-Carnitine 1000mg Capsules - Carnitine Supplement, Amino Acid Supplement - Gluten Free, 2 Capsules per Serving 1000mg, 240 Count Pack of 1
US Sklep
BulkSupplements

L-Carnitine 1000mg Capsules - Carnitine Supplement, Amino Acid Supplement - Gluten ...
4.4

500+ bought

PLN 151

Life Extension Optimized Carnitine, Three Forms of L-carnitine, Promotes Heart & Brain Health, Gluten Free, Non-GMO, Vegetarian, 60 Capsules
US Sklep
Life Extension

Life Extension Optimized Carnitine, Three Forms of L-carnitine, Promotes Heart & ...
4.6

500+ bought

PLN 147

33% WYŁĄCZONY
NOW Supplements, L-Carnitine 250 mg, Purest Form, Amino Acid, Fitness Support*, 60 Veg Capsules
US Sklep
NOW Foods

NOW Supplements, L-Carnitine 250 mg, Purest Form, Amino Acid, Fitness Support*, 60 ...
4.7

400+ bought

PLN 69 103

ProSupps L-Carnitine Liquid 1500, Stimulant-Free Liquid Shots for Men & Women - Clean Workout Drink for Energy, Performance & Muscle Recovery - No Sugar, No Carbs - 31 Servings, Berry | Clean Workout Drink for Energy, Performance & Muscle Recovery - No Sugar, No Carbs - 31 Servings
US Sklep
ProSupps

ProSupps L-Carnitine Liquid 1500, Stimulant-Free Liquid Shots for Men & Women - ...
4.5

400+ bought

PLN 141

ProSupps L-Carnitine Liquid 3000, Stimulant-Free Liquid Shots for Men & Women - Clean Workout Drink for Energy, Performance & Muscle Recovery - No Sugar, No Carbs - 31 Servings, Green Apple
US Sklep
ProSupps

ProSupps L-Carnitine Liquid 3000, Stimulant-Free Liquid Shots for Men & Women - ...
4.5

400+ bought

PLN 183

Super Strength L-Carnitine 1000mg Servings Plus Calcium for Boosted Metabolism and Improved Muscle Gain - Arazo Nutrition
US Sklep
Arazo Nutrition

Super Strength L-Carnitine 1000mg Servings Plus Calcium for Boosted Metabolism and ...
4.5

300+ bought

PLN 146

NOW Foods Supplements, L-Carnitine 500mg, Purest Form, Amino Acid, Fitness Support*, 180 Veg Capsules
US Sklep
NOW Foods

NOW Foods Supplements, L-Carnitine 500mg, Purest Form, Amino Acid, Fitness ...
4.6

300+ bought

PLN 194

19% WYŁĄCZONY
Nutrex Research Carniburn Liquid L Carnitine 3000mg Thermogenic Liquid Fat Burner for Men & Women with MitoBurn, InnoSlim, GBBGO - Stimulant Free Metabolism Booster - Berry Blast 31 SV
US Sklep
Nutrex Research

Nutrex Research Carniburn Liquid L Carnitine 3000mg Thermogenic Liquid Fat Burner ...
4.8

300+ bought

PLN 237 291

Pure Alpha Lipoic Acid Supplement with Acetyl L-Carnitine - Natural ALA ALC Amino Acids Boost Memory Support Mental Performance and Raise Energy Levels Metabolism - 60 Count
US Sklep
Natures Craft

Pure Alpha Lipoic Acid Supplement with Acetyl L-Carnitine - Natural ALA ALC Amino ...
4.5

200+ bought

PLN 76

10% WYŁĄCZONY
EVL L-Carnitine Supplement for Weight Loss Support - L Carnitine Tartrate for Cellular Energy Focus Endurance and Fat Burning Support - Stimulant Free Amino Acid for Fat Metabolism 120 Servings
US Sklep
Evlution

EVL L-Carnitine Supplement for Weight Loss Support - L Carnitine Tartrate for ...
4.5

200+ bought

PLN 103 114

Force Factor L-Carnitine 3000 Ultimate, Bombsicle, 16 fl. oz. | Liquid L-Carnitine Supplement, Triple Strength Formula, Supports Metabolism & Energy, Muscle Function & Cognitive Health
US Sklep
Force Factor

Force Factor L-Carnitine 3000 Ultimate, Bombsicle, 16 fl. oz. | Liquid L-Carnitine ...
4.6

200+ bought

PLN 195

19% WYŁĄCZONY
Nutrex Research Carniburn Liquid L Carnitine 3000mg Thermogenic Liquid Fat Burner for Men & Women with MitoBurn, InnoSlim, GBBGO - Stimulant Free Metabolism Booster - Berry Blast 31 SV
US Sklep
Nutrex Research

Nutrex Research Carniburn Liquid L Carnitine 3000mg Thermogenic Liquid Fat Burner ...
4.8

200+ bought

PLN 237 291

NOW Foods L-Carnitine 500 mg, 240 Veg Caps - Fitness Support* - Purest Form - Non-GMO - Vegan/Vegetarian - 500mg Capsules - Amino Acid Health Supplement
US Sklep
NOW Foods

NOW Foods L-Carnitine 500 mg, 240 Veg Caps - Fitness Support* - Purest Form - ...
4.7

200+ bought

PLN 264

Vitamatic L-Carnitine Fumarate 1000 mg - 120 Vegetable Capsules 1 Bottle
US Sklep
Vitamatic

Vitamatic L-Carnitine Fumarate 1000 mg - 120 Vegetable Capsules 1 Bottle
4.7

200+ bought

PLN 103

Horbaach L Carnitine Supplement 500mg | 60 Capsules | as L-Carnitine L-Tartrate | Non-GMO and Gluten Free
US Sklep
Horbäach

Horbaach L Carnitine Supplement 500mg | 60 Capsules | as L-Carnitine L-Tartrate | ...
4.6

200+ bought

PLN 71

12% WYŁĄCZONY
Now Foods L-Carnitine 500 mg 180 Capsules
US Sklep
NOW Foods

Now Foods L-Carnitine 500 mg 180 Capsules
4.7

200+ bought

PLN 184 210

21% WYŁĄCZONY
Whole Foods Market, Free-Form L-Carnitine 500mg, Vegan, 60 Count
US Sklep
365 by Whole Foods Market

Whole Foods Market, Free-Form L-Carnitine 500mg, Vegan, 60 Count
4.6

200+ bought

PLN 90 114

Carlyle L Carnitine Tartrate 2175mg | 200 Capsules | Advanced Athlete Formula | Pre-Workout & Post-Workout Supplement | Non-GMO, Gluten Free
US Sklep
Carlyle

Carlyle L Carnitine Tartrate 2175mg | 200 Capsules | Advanced Athlete Formula | ...
4.5

100+ bought

PLN 130

Ronnie Coleman Signature Series L-Carnitine XS 3000 Liquid, Amino Acids Metabolism and Lean Muscle Strength Support, Stimulant Free, Sugar Free, Zero Carbs, Strawberry Kiwi, 16 Oz
US Sklep
Ronnie Coleman Signature Series

Ronnie Coleman Signature Series L-Carnitine XS 3000 Liquid, Amino Acids Metabolism ...
4.3

100+ bought

PLN 109

TUDCA Liver Support Supplements 1200 mg-Third Party Tested-Bile Salts for Liver Detox Cleanse-High Strength Formula-Vegan Capsules for Liver,Gallbladder,Kidney Health,2 Bottle-120 Capsules
US Sklep
Sharoaid

TUDCA Liver Support Supplements 1200 mg-Third Party Tested-Bile Salts for Liver ...
4.6

100+ bought

PLN 269

NOW Foods Supplements, L-Carnitine L-Carnitine Tartrate Pure Powder, Boosts Cellular Energy, Amino Acid, 3-Ounce
US Sklep
NOW Foods

NOW Foods Supplements, L-Carnitine L-Carnitine Tartrate Pure Powder, Boosts ...
4.3

100+ bought

PLN 125

Liquid L-Carnitine 5000mg Orange Pineapple Metabolic, Energy and Muscle Support Supplement Stimulant-Free Pre Workout Alternative for Endurance, Exercise & Recovery 32 Servings GMU Sport
US Sklep
GMU SPORT

Liquid L-Carnitine 5000mg Orange Pineapple Metabolic, Energy and Muscle Support ...
4.3

100+ bought

PLN 253

MitoQ +Heart Advanced CoQ10 Antioxidant - Heart Health Supplement with L-Carnitine, Magnesium, Vitamin D3 - Supports Cardiovascular Health, Blood Flow, and Cellular Energy 60 Capsules
US Sklep
MitoQ

MitoQ +Heart Advanced CoQ10 Antioxidant - Heart Health Supplement with L-Carnitine, ...
4.4

100+ bought

PLN 425

12% WYŁĄCZONY
Snap Supplements L-Carnitine Tartrate, 60 Blueberry Sugar-Free Gummies | Amino Acid Supplement for Healthy Exercise Recovery, Metabolism, Energy, Vegan, 30-Day Supply
US Sklep
Snap Supplements

Snap Supplements L-Carnitine Tartrate, 60 Blueberry Sugar-Free Gummies | Amino Acid ...
4.4

100+ bought

PLN 114 130

MRM Nutrition CoQ-10 L-Carnitine Liquid - for Women & Men - 32 Servings | Orange-Vanilla Flavored Energy and Antioxidant Formula, Naturally Derived CoQ10 and L-Carnitine for Cellular and Heart Health
US Sklep
MRM

MRM Nutrition CoQ-10 L-Carnitine Liquid - for Women & Men - 32 Servings | ...
4.6

100+ bought

PLN 200

Horbaach L-Carnosine 500mg | 120 Capsule Supplement | Powder Pills | Non-GMO & Gluten Free
US Sklep
Horbäach

Horbaach L-Carnosine 500mg | 120 Capsule Supplement | Powder Pills | Non-GMO & ...
4.6

100+ bought

PLN 157

Codeage Liposomal L-Carnitine+, L-Tartrate, 500mg, Vegan, 90 Capsules | Liposomal free-form L-carnitine L-tartrate supplement, 500mg per serving. Three-month supply. Gluten-free, vegan, non-GMO.
US Sklep
Codeage

Codeage Liposomal L-Carnitine+, L-Tartrate, 500mg, Vegan, 90 Capsules | Liposomal ...
4.2

100+ bought

PLN 210

L-Carnitine Liquid Shots 1500mg with Green Tea Extract and Vitamin B6 Concentrated 450 Ml Drink Supplement with Green Tea & Vitamin B6 | Orange Passion Fruit - Natural Peach & Apple Flavor
US Sklep
R&C Store Essentials Home

L-Carnitine Liquid Shots 1500mg with Green Tea Extract and Vitamin B6 Concentrated ...
4.2

100+ bought

PLN 210

CDE Liquid L-Carnitine 3000mg Packets with Vitamin B5 B6 & Electrolytes - On-the-Go Travel Pouches for Pre-Workout Energy & Fat Metabolism - Fat Burner Formula, Sugar Free|Lemon-Lime Flavor, 15 Count
US Sklep
CDE

CDE Liquid L-Carnitine 3000mg Packets with Vitamin B5 B6 & Electrolytes - On-the-Go ...
4.5

100+ bought

PLN 76

Horbaach L-Carnitine Liquid 3000 mg | 16 oz | Berry Flavor | Maximum Strength Supplement | For Men & Women | Vegetarian Non-GMO, and Gluten Free
US Sklep
Horbäach

Horbaach L-Carnitine Liquid 3000 mg | 16 oz | Berry Flavor | Maximum Strength ...
4.5

100+ bought

PLN 129

Micro Ingredients L-Carnitine Tartrate 2,000 mg, 240 Vegetarian Capsules | L-Carnitine Supplement with NAD+ | Non-GMO, Gluten Free
US Sklep
Micro Ingredients

Micro Ingredients L-Carnitine Tartrate 2,000 mg, 240 Vegetarian Capsules | ...
4.5

100+ bought

PLN 157

Now Supplements L-Carnitine 250 mg, Purest Form, Amino Acid, Fitness Support, Metabolic Support, 120 Vegetarian Capsules, Gluten Free, Vegan, Kosher, Non-GMO
US Sklep
NOW Foods

Now Supplements L-Carnitine 250 mg, Purest Form, Amino Acid, Fitness Support, ...
4.6

100+ bought

PLN 121

NOW Foods L-Carnitine Liquid 3000mg, 16 oz 2 Pack
US Sklep
NOW Foods

NOW Foods L-Carnitine Liquid 3000mg, 16 oz 2 Pack
4.5

100+ bought

PLN 286

16% WYŁĄCZONY
iSatori L-Carnitine LS3 1500, Triple-Blend Liquid L Carnitine Supplement, with Acetyl & Tartrate, Stimulant Free Energy, Low Calories, Sugar or Gluten, Keto-Friendly, Blue Raspberry 32 Servings
US Sklep
iSatori

iSatori L-Carnitine LS3 1500, Triple-Blend Liquid L Carnitine Supplement, with ...
4.4

100+ bought

PLN 119 141

GNC Total Lean L-Carnitine 1000mg, 60 Tablets, Supports Recovery and Lean Muscle Growth
US Sklep
GNC

GNC Total Lean L-Carnitine 1000mg, 60 Tablets, Supports Recovery and Lean Muscle ...
4.5

100+ bought

PLN 183

Ronnie Coleman Signature Series L Carnitine XS 4000 Liquid, Stimulant Free, Sugar Free, Zero Carbs, Lean Muscle Strength Support for Men & Women, 16 Oz 16 oz, Orange Creamsicle 4000
US Sklep
Ronnie Coleman Signature Series

Ronnie Coleman Signature Series L Carnitine XS 4000 Liquid, Stimulant Free, Sugar ...
3.8

100+ bought

PLN 200

Shop L-Carnitine Supplements – Boost Energy, Endurance & Fat Metabolism – Ubuy Poland

In the pursuit of peak physical performance and a lean physique, the body relies on a complex series of metabolic handshakes. L-carnitine supplements act as the essential molecular shuttle, responsible for transporting long-chain fatty acids into the mitochondria—the "powerhouses" of your cells. By bridging the gap between stored lipids and active energy production, L-carnitine serves as the "resonance box" for your metabolism, amplifying your body's ability to torch fat while preserving precious muscle glycogen.

At Ubuy, we are dedicated to bridging the gap between premium international sports science and fitness enthusiasts in Poland. Whether you are looking to sharpen your focus or push through a grueling evening session at Aspire Zone, our curated selection of health & supplements provides the metabolic edge you need. To further optimise your results, many of our customers also explore related categories like sports nutrition or broader amino acid supplements to build a comprehensive performance stack.

The Expert Framework: How to Choose the Right L-Carnitine Supplements

Navigating the landscape of 2026 sports nutrition requires a technical understanding of forms and delivery systems. To ensure you are choosing a supplement that aligns with your physiological goals, consider these expert criteria:

Check Out Different Types of L-Carnitine Supplements at Ubuy Poland

As metabolic science evolves, the variety of L-carnitine available has expanded to address specific fitness and lifestyle goals.

L-Carnitine L-Tartrate (The Athlete’s Choice)

This form is widely regarded as the most effective for physical exercise. It is specifically formulated to assist with muscle soreness and recovery. By taking L-carnitine tartrate, you are helping your body clear metabolic waste products faster, allowing you to return to your training with renewed vigour.

Acetyl-L-Carnitine (ALCAR) for Mental Edge

The "soul" of ALCAR lies in its ability to support both the body and the brain. Acetyl L-carnitine powder provides an acetyl moiety that can be used for energy or as a precursor for neurotransmitters like acetylcholine. It’s the perfect "vibe" for the professional who needs to stay sharp during the day and perform in the gym by night.

Specialised L-Carnitine Fat Burners

These are formulated specifically for those in a "cutting" phase. An L-carnitine fat burner usually combines carnitine with thermogenic agents to increase calorie expenditure while simultaneously ensuring that the fat being released is actually transported and burned.

Convenient Tablets and Capsules

For the busy individual in Poland, L-carnitine capsules offer a tasteless, portable way to maintain consistent carnitine levels. These are ideal for those who prefer not to deal with powders or the strong taste often associated with liquid carnitine.

Reddit user feedback:

I have an undiagnosed issue with fatigue and muscle weakness. I am still working with doctors to find out what it is, probably genetic or metabolic. I started taking acetyl-L carnitine as trial and error by my doctor. Let me tell you this, it is a life saver for me. I have pcos and my cycle has never been regular. I have not been able to workout since 2022 due to this undiagnosed health condition. My periods have never been regular, I’ve had no energy. Since taking carnitine, my periods are like clockwork. I have more energy. It’s like it’s solving a lot of my problems. I bet it’s helping with insulin resistance too. I love those stuff. I hope I can take it for life, safely.

Source: r/Supplements (Reddit)

Top Brands Available at Ubuy Poland

We bring the soul of global sports nutrition to your doorstep, featuring brands that have defined the industry through clinical research and athlete trust:

MuscleTech: The brand of the "advanced" athlete. MuscleTech focuses on high-performance vibration, often featuring patented delivery technologies that ensure their best L-carnitine supplement options hit your system exactly when your muscles are most receptive.

Frequently Asked Questions About L-Carnitine Supplements in Poland

  • What are the benefits of taking L-Carnitine supplements?

    The primary benefit of L-carnitine supplements is the enhancement of fat oxidation. By helping transport fat into the mitochondria, they provide a sustained energy source, reduce the buildup of lactic acid, and support cardiovascular health by keeping the heart—a fat-hungry muscle—well-fuelled.

  • Can L-Carnitine supplements help with weight loss?

    Yes, particularly when combined with regular exercise. As an L-carnitine fat burner, it ensures that the fatty acids released from your fat cells are actually used for fuel rather than being re-esterified and stored. It is one of the best L-carnitine for weight loss tools because it helps maintain energy levels even while in a calorie deficit.

  • When is the best time to take L-Carnitine supplements?

    For performance, the best time is typically 30–60 minutes before your workout. Taking it with a small amount of carbohydrates can help spike insulin, which assists in "pushing" the carnitine into the muscle cells where it is needed most.

  • Are L-Carnitine supplements safe for daily use?

    In general, yes. Most clinical studies suggest that daily doses of up to 2,000mg to 3,000mg are well-tolerated. However, it is always recommended to check with a healthcare professional in Poland before starting any new L-carnitine supplement regimen, especially if you have underlying health conditions.

  • Is L-Carnitine suitable for vegetarians and vegans?

    Since the primary natural sources of carnitine are red meats and dairy, vegetarians and vegans often have lower baseline levels. Most L-carnitine supplements available at Ubuy are synthetically produced and use L-carnitine capsules made from vegetable cellulose, making them an excellent choice for plant-based lifestyles.