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L-Carnitine

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Canada's only domestic premium peptide manufacturer

Polar Peptides is Canada's only domestic manufacturer and supplier of premium research peptides, with production and fulfillment handled in Canada. While many sellers rely on imported vials from overseas suppliers, our domestic process allows us to maintain closer oversight over quality, consistency, packaging, and labeled vial weight.

By keeping peptide production closer to home, we can better control product standards, reduce reliance on uncertain imported inventory, and provide Canadian researchers with a more transparent and reliable source for research peptides.

Do not be fooled by vague "Made in Canada" claims. Many companies may ship from Canada while still sourcing finished vials from overseas. Polar Peptides is focused on true domestic manufacturing, premium research quality, fast Canadian shipping, and dependable customer support.

L-Carnitine is a naturally occurring amino acid derivative that plays a critical role in energy metabolism by facilitating the transport of long-chain fatty acids into the mitochondria for oxidation. This process supports efficient fat utilization and energy production, making it a valuable option for those focused on performance, endurance, and metabolic optimization. Additionally, L-Carnitine is recognized for its role in supporting recovery, reducing fatigue, and promoting overall cellular energy balance.

Product Info

Molecular formula: C7H15NO3
Molecular weight: 161.20 g/mol
Purity: 99%+
Concentration: 600 mg/mL
Total volume: 20 mL
Sequence: N/A

Most standard lyophilized research vials are commonly prepared using 2mL of bacteriostatic water unless otherwise specified directly on the product page or vial label.

For best handling, slowly add the bacteriostatic water down the inside wall of the vial rather than directly onto the powder. This helps reduce unnecessary agitation and supports product integrity during laboratory use.

After adding bacteriostatic water, gently swirl or roll the vial until the lyophilized powder has fully dissolved. Avoid aggressive shaking, as excessive agitation may affect product stability.

Prepared vials should typically be stored refrigerated between 2-8°C for best stability. Lyophilized vials that have not yet been prepared should be stored in a cool, dry environment away from direct sunlight, moisture, and excessive heat.

Proper storage and handling procedures are important for maintaining product purity, consistency, and reliability throughout laboratory applications.

Use our calculator for accurate concentration calculations, measurement planning, and preparation guidance:

Peptide Calculator

Polar Peptides provides premium-quality research products, laboratory-use compounds, and analytical materials with fast Canadian shipping and strict quality control standards.

All products sold by Polar Peptides are intended strictly for research use only and are not intended for human consumption, medical use, diagnostic use, or any other unauthorized use.

Lyophilized research products should be stored in a cool, dry environment prior to preparation to help maintain long-term stability and purity.

Refrigeration is recommended for most products after opening. Prepared vials should remain refrigerated between 2-8°C and protected from repeated temperature changes.

Exposure to excessive moisture, heat, direct sunlight, or frequent freeze-thaw cycles may negatively impact product stability during laboratory applications.

Polar Peptides supplies high-purity research products, peptide blends, laboratory-use materials, and advanced analytical compounds manufactured with quality, consistency, and secure packaging in mind.

Proper storage and handling procedures are recommended to maintain product integrity, consistency, and analytical reliability throughout laboratory research environments.

Disclaimer: All peptides are for laboratory research use only. Not for human consumption. We do not accept liability for misuse. (view full Terms of Use)

Customer reviews

4.8 /5
(54 reviews)
Adam Crocker
Verified buyer
2026-04-12
★★★★★
Cerebrolysin came packaged well and arrived really fast
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sonya B
Verified buyer
2026-04-08
★★★★★
very smooth process from ordering to delivery, purchased multiple products, appreciate the custmer service as well!
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jessica
2026-03-18
★★★★★
super easy ordering and fast delivery, happy with it
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Rebecca lamine
2026-02-26
★★★★★
just arrived and I cannot wait to try out the NAD from here!
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NOAH beck
Verified buyer
2026-02-11
★★★★★
Semax spray came very well packaged and works like a charm
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Levi morrison
Verified buyer
2026-01-31
★★★★★
Nothing but the best of the best! I'm so impressed with the customer service and the packaging of this company, all your peptide needs will be solved here
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JUSTIN
2026-01-28
★★★★★
Everything came within a week to Alberta, stoked to try
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lauren lemon
Verified buyer
2026-01-27
★★★★★
Tryly the only conmpany in Canada that actually cares, have gotten NAD before from here and my energy levels are back as if i'm 20 (i'm in my 50s)
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Jaydyn craft
Verified buyer
2026-01-21
★★★★★
Pakcaging is amaziong and i cant be happioer with my purcahse! Customer service is aslo omn another level, 100% buying again
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katie steele
Verified buyer
2026-01-18
★★★★★
best company in canada! Purchased 10 viles and it came within 3 days!
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Victoria f.
2026-01-16
★★★★★
I love the packaging and the responsiveness of the customer service. Will try it out but 10/10 so far
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Rob brandt
Verified buyer
2026-01-12
★★★★★
if you are loking for wholesale then this is the place to go to, really good on pricing if buying big
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damien
Verified buyer
2026-01-12
★★★★★
Good bac water and fast shipping
review media
Makayla
2026-01-08
★★★★★
I ove this company, customer service is unmatched, will keep buying forever!
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Michael reiley
Verified buyer
2026-01-02
★★★★★
healed my shoulder in 4 weeks with the tb500 and bpc stack?
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LoRenza dimizzio
2025-12-31
★★★★★
Im so happy i found polar peptides, finally a company that has all the needs ale in one, customer service, packaging, fast delivery, nothing but good to say :)
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erica sokol
2025-12-29
★★★★★
Retatrutide from here is magical, dropped 7lbs so far in 2 weeks, will keep using it.
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cassandra fox
2025-12-23
★★★★★
my 3rd order qnd I will keep ordering!
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Oscar Lavine
Verified buyer
2025-12-12
★★★★★
fastest shipping and lovely packaging, cant wait to tey
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mikol
Verified buyer
2025-11-28
★★★★★
Everything came fast and intact, great communication and customer service. Great all around and excited to try
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STEPH M.
Verified buyer
2025-11-25
★★★★★
A TRUE DIFFERENCE MAKER FOR MY GENERAL WELLNESS!!! FEELING GREAT!!!
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Jenna
2025-11-23
★★★★☆
really helps with focus at work. burned a bit at first but got used to it.
ryan pronik
Verified buyer
2025-11-15
★★★★★
Phenomenal stack! this is exactly what you need for your injuries and get rid of the stubborn fat. order to toronto received in 2 dqys
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Bryan s
Verified buyer
2025-11-10
★★★★★
cant beleive how much it helped me with my ongoing neck and knee pain, remember to get bac water to mix
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Mike obrian
Verified buyer
2025-11-09
★★★★★
lost 12lb in weeks, honestly didn't expect it to work so well but I'm glad it does. Cravings for fast food are practically gone and so much easier to stick to my diet
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LIFT_HEAVY
Verified buyer
2025-11-08
★★★★★
gains are steady. sleep has improved alot. legit source, will buy bulk next time
benny olejnak
Verified buyer
2025-11-05
★★★★★
This is melting fat fast, love the stickers too
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claeb m
2025-10-23
★★★★★
Absolutely love these peptides! I’ve noticed better joints and skin within 2 weeks.
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WILL obrien
Verified buyer
2025-10-21
★★★★★
HELPS WITH MY SEASONAL ALLERGIES AND I BOUNCE BACK FROM COLDS MUCH FASTER Remember to get your bac water!
Mry
Verified buyer
2025-10-19
★★★★★
hair loss has slowed down significantly and my complexion is clearer, i feel so much more confident, arrived super quick
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Jake S
Verified buyer
2025-10-16
★★★★★
bpc157 works like a charm ,healed my shoulder injury, will buy more
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Jen perry
Verified buyer
2025-10-08
★★★★★
ive been using this for a few weeks n works really well for morning energy, i don't even need coffee anymore, huge fan of mots-c, top quality service
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matty d
2025-10-02
★★★★★
cant mix my stuff without it lol. fast shiping to vancouver, essential for any kit.
Kev obrien
Verified buyer
2025-09-29
★★★★★
ive been using tb500 for a few weeks n great product and fast shipping, always top quality peptides from polar,
Jason broward
Verified buyer
2025-09-25
★★★★★
tried ghk once, and had to get 10 more for me and a couple of friends. my facial skin cleared up and i can confidently say what they say about this stuff is true. btw email them if youre ordering a large quantity they have wholesale deals
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Alex chechkew
Verified buyer
2025-09-14
★★★★☆
great products, shipping was a bit slow but 100% worth it
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Ashely Romano
Verified buyer
2025-09-10
★★★★★
Let me tell you retatrutide is not a joke, especially combined with ghk. down 21lb in 45 days, incredible
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marcus
2025-09-03
★★★☆☆
Good energy boost. nothing crazy but steady. shipping was ok took 5 days
caleb rojas
Verified buyer
2025-08-29
★★★★★
ordered and entire box, my 3rd order so far
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Michael c
2025-08-14
★★★★★
lifechanging for skin, after 3 weeks noticed significant difference in skin quality like it stated glowing, recommend for anyone who wants to look good
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Will williams
Verified buyer
2025-08-12
★★★★★
ive been using mt1 for a few weeks n top notch tan great communication, and a potent product, highly recommend this company,
Magret T.
Verified buyer
2025-08-01
★★★★★
Fastest shipping I've ever seen, package arrived in 2 days!!! Product seems legit!!!
Jamie L.
2025-07-13
★★★★★
Amazing results, definitely ordering again.
kayla
Verified buyer
2025-06-14
★★★★★
bpc 157 paired withj tb500 is all you need for any injuries that you have. ive used it for 4 weeks now and the difference is major. i can finally run almost painfree
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Kev B.
Verified buyer
2025-06-09
★★★★☆
TELOMERE SUPPORT IS WHY I BOUGHT THIS!!! I FEEL LIKE MY BODY IS RECOVERING FROM STRESS MUCH QUICKER!!!
alina
2025-05-22
★★★★★
very fast shipping (1 days to vaughn) and excited to try it out!
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Rye D.
Verified buyer
2025-05-03
★★★★☆
ive been using this for a few weeks n the cjc/ipa stack is a powerhouse, deep, restful sleep and i'm adding muscle faster than before, great combo for recovery, fast shipping too
leila sanchez
Verified buyer
2025-05-01
★★★★★
ive been haveing an ongoing issue with my knee and wasnt able to run ,3 weeks and and its almost day and night difference, will also order tb500 to stack it together. but highly recomend
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Chas M.
Verified buyer
2025-04-29
★★★★★
I am very happy with my purchase, everything was as described and well packaged!!!
Andrew k
2025-04-24
★★★★☆
fast shipping and great communication
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Rach
Verified buyer
2025-04-15
★★★☆☆
the box for the product was crushed on one side needs better packaging for delivery
nico leiser
Verified buyer
2025-04-10
★★★★★
came fast no complains, discreet packaging if anyone is womndering
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Will M.
Verified buyer
2025-03-05
★★★★☆
It's a huge boost to libido!!! My partner and I are very happy with the results!!! Discreet shipping was appreciated too!!!
ASH S.
Verified buyer
2024-09-30
★★★★☆
This is melting fat fast, even stubborn areas are shrinking!!! No major side effects either, which is nice!!!
review media

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