What about the glycerine? Is that good to ingest? No supplements I have contain it. And how do the tartrate and this version differ? Thanks!

Food grade gycerin is considered safe for consumption in small amounts regulated by the FDA. It is typically used in skin moisturizers. As it pertains to the difference... Acetyl form of carnitine is typically used for improving cognitive function / anti aging / anti oxidant. The tartate form has been advertised has a supplement with fat burning effects.

Can i take with low thyroid med? Also is the product gluten/soy free?

Don't take L-Carnitine if you have LOW thyroid issues (hypothyroidism). This supplement lowers thyroid hormone, or in some way thwarts it. Do some research on it for the correct science. If you have HYPER (overactive) thyroid issues, it could help. But always talk to your doctor/endocrinologist before supplementing with something like this.

What is expiration date?

They don’t have one. You may see a sell / use by date and that is different for each bottle made. Of course, their will be degradation over time. With that I’m sure it takes at least 6 months for the supplement in its current form to begin that process. This estimate does account for poor storage conditions. Additionally, you don’t want to leave them sitting around for too long. The bottle doesn’t last 6 months if you take the daily recommended dose.

What is the vegetable capsule length?

2cm or a little less than one inch.

Jarrow L Carnitine 500mg For Cellular Energy Production 50 Capsules

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Description

⚡ Elevate your energy game with science-backed L-Carnitine!

EASY DAILY RITUAL - One capsule, once or twice daily on an empty stomach—simple, effective, consistent ⏰
TRUSTED BRAND LEGACY - Jarrow Formulas—decades of science-backed quality and reliability 🏆
SUSTAINED ENERGY SUPPORT - Supports fat metabolism inside mitochondria for natural ATP boost 🔥
CLEAN CONSCIOUS FORMULA - Non-GMO, gluten-free, vegetarian capsules for mindful wellness 🌱
POWER YOUR DAY WITH 500 MG L CARNITINE - Clinically relevant dose fueling cellular energy production ⚡

Jarrow Formulas L-Carnitine delivers a potent 500 mg dose per vegetarian capsule, designed to support your body's natural fat-to-energy conversion at the cellular level. With 50 servings per bottle, this non-GMO, gluten-free supplement fits seamlessly into a clean, active lifestyle. Trusted by professionals and backed by decades of quality, it’s your go-to for sustained energy and metabolic support.

Specifications

ASIN	B0013OVV2S
Age Range Description	Adult
Allergen Information	Dairy Free, Egg Free, Gluten Free, Soy Free, Wheat Free
Best Sellers Rank	#48,892 in Health & Household ( See Top 100 in Health & Household ) #4 in Carnitine Nutritional Supplements
Brand	Jarrow Formulas
Brand Name	Jarrow Formulas
Color	White
Container Type	Bottle
Customer Reviews	4.6 out of 5 stars 604 Reviews
Diet Type	Gluten Free
Dosage Form	500 mg
Flavor	Unflavored
Global Trade Identification Number	00790011020011
Item Dimensions	6 x 5 x 4 inches
Item Form	Capsule
Item Weight	2.88 ounces
Manufacturer	Jarrow Formulas
Manufacturer Part Number	500LC
Material Features	Vegetarian
Model Name	L-Carnitine
Model Number	500LC
Number of Items	1
Primary Supplement Type	Vitamin
Product Benefits	Energy Management
Special Ingredients	Amino Acid, L-Carnitine
Total Servings Per Container	50
UPC	790011020011
Unit Count	50 Count

Reviews

M**E

contents advised by neurological expert.

Trusted brand used many years, works well for muscle support

24.05.2026

D**.

JARROW IS AN ICONIC BRAND

JARROW is a time tested solid quality brand that never disappoints

10.02.2026

J**.

COMMUNICATION

20.04.2026

P**.

More energy

Gives me more energy when taken with all my other vitamins.

3.03.2026

S**A

Energy boost but larger capsules

I've noticed a great, jitter-free boost to my daily energy levels since adding this to my routine. The 100-day supply of veggie capsules provides excellent quality and value. My only minor complaint is that the pills are a bit large to swallow, requiring plenty of water to swallow comfortably.

17.05.2026

J**N

Gym supplement

I take this supplement every morning before i go to the gym, help keep me healthy,and burn fat.

27.02.2026

R**B

Quality product

Great product. Price and quality!

12.01.2026

S**O

great value for the money

great source of L Carnitine

4.10.2025

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Jarrow L-Carnitine 500mg, for Cellular Energy Production, 50 Capsules | Cofactor for Cellular Energy Production from Fats, Veggie Capsules, Amino Acid Supplement

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