Acetyl L-Carnitine & Alpha-Lipoic Acid
by Source Naturals · tablet or pill · 120 tablets
- On the market (NIH)
- UPC 0 21078 01800 1
- DSLD label 273371
- Serving 1 tablet
- 120 servings
Acetyl L-Carnitine & Alpha-Lipoic Acid by Source Naturals lists 3 ingredients, 3 with an amount per serving of 1 tablet, such as 23 mg of calcium, 500 mg of acetyl-L-carnitine and 150 mg of alpha-lipoic acid. Its current label entered the NIH Dietary Supplement Label Database on January 23, 2023.
What is in Acetyl L-Carnitine & Alpha-Lipoic Acid?
Each row as the label prints it, per serving of 1 tablet. The capsule beside an amount places it among every product in the NIH database that lists the same ingredient: the bar is the middle half of their amounts, the line in it the median, the whiskers the 10th and 90th percentiles; the green tick is the FDA Daily Value and the red dashed tick the adult upper limit (IOM).
| Ingredient | Amount | % DV | Among products listing it |
|---|---|---|---|
| Calciumas Dibasic Calcium Phosphate | 23 mg | 2% | 90% of 17,831 products listing calcium give more (median 115 mg). Per day at the most servings: 92 mg. |
| Acetyl-L-Carnitineas Acetyl-L-Carnitine Hydrochloride | 500 mg | 26% of 933 products listing acetyl L-carnitine give more (median 500 mg). Per day at the most servings: 2,000 mg. | |
| Alpha-Lipoic Acid | 150 mg | Higher than 74% of 2,407 products listing alpha lipoic acid (median 50 mg). Per day at the most servings: 600 mg. |
Source: NIH ODS Dietary Supplement Label Database, label 273371 (entered January 23, 2023), version 9.4.0. See the label on DSLD or its label image (PDF). Amounts are what the maker printed; DSLD does not test products. Daily Values: the FDA's Daily Value page.
Is that a lot?
The rows in the top or bottom tenth of the products that list the same ingredient, and any above the adult upper limit at the most servings a day the directions give:
- 90% of the 17,831 products that print an amount of calcium list more than its 23 mg of calcium (median 115 mg).
The NIH database records 1 to 4 servings a day from the label's directions; its % Daily Values are for adults and children 4 or more years of age. The directions as printed are further down this page.
The Tolerable Upper Intake Level is the most of a nutrient per day, from food, water and supplements together, that is likely to pose no risk for almost all adults (Institute of Medicine, 2011). It does not apply under medical supervision. This page compares labels; it is not medical advice.
Sources: amounts from the DSLD label; Daily Values from 21 CFR 101.9(c)(8)(iv); adult upper limits from the Institute of Medicine's DRI summary tables (2011). How positions are computed.
Which products have the closest formulas?
3 products list the very same ingredients; the nearest amounts come first.
- Acetyl L-Carnitine & Alpha-Lipoic Acid 650 mgSource Naturals same ingredients
- Acetyl-L-Carnitine Alpha-Lipoic Acid 500 mg/200 mgGNC same ingredients
- Acetyl L-Carnitine With Alpha-Lipoic AcidBronson · off the market same ingredients
- Ala/AlcVitabase · off the market 2 shared, 82% alike
- Acetyl L-Carnitine 400 mg With Alpha Lipoic Acid 200 mgGood 'N Natural · off the market 2 shared, 82% alike
- Acetyl L-Carnitine 400 mg Plus Alpha Lipoic Acid 200 mgSpring Valley 2 shared, 82% alike
Source: ingredient lists of every product's current label in DSLD (version 9.4.0); similarity weights each shared ingredient by how rare it is.
What does the label say about taking it?
Quoted from the label as DSLD transcribed it: the maker's words, including any claim about what the product does, which the FDA has not evaluated and PlainVitamins does not endorse.
- Directions
- Suggested Use: 1 tablet, 1 to 4 times daily.
- Warnings
- Caution: If you are pregnant, may become pregnant, breastfeeding, have any disorder of blood sugar metabolism (such as diabetes), or suffer from any seizure disorder (such as epilepsy), consult your physician before using this product.
- Do not use if either tamper-evident seal is broken or missing.
- Keep out of the reach of children.
- Allergens and what it does not contain
- Contains no yeast, dairy, egg, gluten, corn, soy or wheat. Contains no sugar, starch, preservatives, or artificial color, flavor or fragrance.
Source: label statements in DSLD label 273371.
What else is on the label?
Other ingredients: silicified Microcrystalline Cellulose, Microcrystalline Cellulose, Dibasic Calcium Phosphate, Magnesium Stearate, Hydroxypropyl Cellulose, modified Cellulose Gum, Stearic Acid, Silica.
How many labels does Acetyl L-Carnitine & Alpha-Lipoic Acid have?
6 labels are on file under this name since January 25, 2013: other sizes, label designs and reformulations. The current one leads this page.
- Label 273371 (current) Entered January 23, 2023 · on the market · 120 tablets · UPC 0 21078 01800 1
- Label 273368 Entered January 23, 2023 · on the market · 60 tablets · UPC 0 21078 01799 8
- Label 181539 Entered September 21, 2018 · on the market · 240 tablets · UPC 0 21078 02084 4
- Label 181538 Entered September 21, 2018 · on the market · 180 tablets · UPC 0 21078 02039 4
- Label 72372 Entered March 24, 2017 · off the market December 22, 2021 · 120 tablets · UPC 0 21078 01800 1
- Label 17876 Entered January 25, 2013 · off the market March 14, 2017 · 120 tablets · UPC 0 21078 01800 1
DSLD also links this label to: Acetyl L-Carnitine & Alpha-Lipoic Acid 650 mg (package size difference, same product), Acetyl L-Carnitine & Alpha-Lipoic Acid 650 mg (package size difference, same product), Acetyl L-Carnitine & Alpha-Lipoic Acid 650 mg (package size difference, same product), Acetyl L-Carnitine & Alpha-Lipoic Acid 650 mg (image difference, same product), Acetyl L-Carnitine & Alpha-Lipoic Acid 650 mg (package size difference, same product).
Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).
Who makes it?
The label names Source Naturals, Inc. (distributor), Santa Cruz, CA. All Source Naturals products.