Pyridoxine Alpha Ketoglutarate
by Douglas Laboratories · tablet or pill · 90 tablets
- Off the market since August 2013 (NIH)
- UPC 7 45287 20035 3
- DSLD label 10991
- Serving 1 tablet
- 90 servings
Pyridoxine Alpha Ketoglutarate by Douglas Laboratories lists 4 ingredients, 4 with an amount per serving of 1 tablet, such as 5 mg of vitamin B6, 76 mg of calcium, 38 mg of phosphorus and 300 mg of alpha-ketoglutaric acid. Its current label entered the NIH Dietary Supplement Label Database on July 25, 2012.
What is in Pyridoxine Alpha Ketoglutarate?
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 |
|---|---|---|---|
| Vitamin B6as Pyridoxine HydrochlorideVitamin B6 (Form: as Pyridoxine Hydrochloride) | 5 mg | 250% | 51% of 15,277 products listing vitamin B6 give more (median 6 mg). Per day at the most servings: 15 mg. |
| Calciumas Tricalcium PhosphateCalcium (Form: as Tricalcium Phosphate) | 76 mg | 8% | 64% of 17,831 products listing calcium give more (median 115 mg). Per day at the most servings: 228 mg. |
| Phosphorusas Tricalcium PhosphatePhosphorus (Form: as Tricalcium Phosphate) | 38 mg | 4% | 79% of 3,786 products listing phosphorus give more (median 90 mg). Per day at the most servings: 114 mg. |
| Alpha-Ketoglutaric Acid | 300 mg | Higher than 53% of 51 products listing alpha-ketoglutarate (median 150 mg). Per day at the most servings: 900 mg. |
Source: NIH ODS Dietary Supplement Label Database, label 10991 (entered July 25, 2012), version 9.4.0. See the label on DSLD. Amounts are what the maker printed; DSLD does not test products. Daily Values: the FDA's Daily Value page.
Is that a lot?
Every amount on this label with a position sits within the middle 80% of the products that list the same ingredient.
The NIH database records 3 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?
The products whose ingredient lists overlap most with Pyridoxine Alpha Ketoglutarate's, rare ingredients counting for more.
- Alpha Ketoglutaric Acid 300 mgKirkman 2 shared, 54% alike
- Vitamin B-6Indiana Botanic Gardens · off the market 3 shared, 51% alike
- Vitamin B-6 100 mgIndiana Botanic Gardens 3 shared, 51% alike
- P-5-P 50 mgThe Vitamin Shoppe 3 shared, 51% alike
- Vitamin B6 50 mgBronson Laboratories · off the market 3 shared, 51% alike
- Vitamin B6Nature's Sunshine 3 shared, 51% 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 Usage: As a dietary supplement, adults take 1 tablet three times daily, or as directed by your healthcare professional.
- Warnings
- KEEP OUT OF REACH OF CHILDREN.
- Tamper resistant package, do not use if outer seal is missing.
- Storage
- For optimal storage conditions, store in a cool, dry place. (59(0)-77(0)F/15(0)-25(0)C) (35-65% relative humidity)
Source: label statements in DSLD label 10991.
What else is on the label?
Other ingredients: Cellulose, Vegetable Stearine, modified Cellulose Gum, Magnesium Stearate.
How many labels does Pyridoxine Alpha Ketoglutarate have?
2 labels are on file under this name since January 25, 2012: other sizes, label designs and reformulations. The current one leads this page.
- Label 10991 (current) Entered July 25, 2012 · off the market August 26, 2013 · 90 tablets · UPC 7 45287 20035 3
- Label 5192 Entered January 25, 2012 · off the market January 20, 2012 · 90 tablets · UPC 7 45287 20035 3
DSLD also links this label to: Pycnogenol (package size difference, same product), Pycnogenol (image difference, same product), Pycnogenol (package size difference, same product), Pycnogenol (image difference, same product), Pycnogenol (package size difference, same product), Pycnogenol (image difference, same product), Pycnogenol (package size difference, same product), Pycnogenol French Maritime Pine Bark Extract (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 Douglas Laboratories (manufacturer), Pittsburgh, PA. All Douglas Laboratories products.