Magnesium L-Threonate 2000 mg
by Double Wood Supplements · capsule · 100 capsules
- On the market (NIH)
- UPC X0018B2NQZ
- DSLD label 315679
- Serving 2 capsules; amounts per 4 capsules
- 25 servings
Magnesium L-Threonate 2000 mg by Double Wood Supplements lists 2 ingredients, 2 with an amount per serving of 4 capsules, such as 2,000 mg of magtein. Its current label entered the NIH Dietary Supplement Label Database on July 25, 2024.
What is in Magnesium L-Threonate 2000 mg?
Each row as the label prints it, per serving of 4 capsules. 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 |
|---|---|---|---|
| Magteinas Magnesium L-Threonate | 2,000 mg | 476%* | This amount is far outside what other labels list for magnesium, or disagrees with the label's own %DV: possibly a unit or transcription slip in the database. Check the label image on DSLD. |
| Magnesiumelemental | 144 mg | 34% |
* % Daily Value computed from the printed amount and the FDA Daily Value (21 CFR 101.9); the label prints none for that row.
Source: NIH ODS Dietary Supplement Label Database, label 315679 (entered July 25, 2024), 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?
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 2 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?
6 products list the very same ingredients; the nearest amounts come first.
- Magnesium Threonate 500 mgSuperSmart · off the market same ingredients
- Magnesium Threonate 2000 mgSuperSmart · off the market same ingredients
- Magtein Magnesium L-Threonate 2000 mgSuperSmart same ingredients
- ProtoSorb MagnesiumProtocol For Life Balance same ingredients
- Magnesium Malate 1500 mgDouble Wood Supplements same ingredients
- Magnesium Malate 1350 mgNusaPure same ingredients
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: Take 4 capsules (2 grams) per day in divided doses as follows: 2 capsules (1 gram) should be taken in the morning. 2 capsules (1 gram) should be taken two hours before sleep. 2 capsules (1 gram) at night is recommended in the first week of taking Magtein.
- Warnings
- Precautions: Consult your doctor if taking prescription drugs along with Magtein. Not recommended for children nor women who are pregnant or breastfeeding.
- Not recommended for children nor women who are pregnant or breastfeeding.
- Do not use if safety seal is damaged or missing. Maximum dose of 8 capsules (4 grams) per day. Like other magnesium products, Magtein may induce sleepiness, drowsiness or headaches. This may indicate a magnesium deficiency and is temporary. Reduce the dosage, consult a doctor or discontinue use if conditions persist for more than one week.
- Warning: Consult your physician before using this product. Do not consume more than 8 capsules per day.
- Do not take this product if you are pregnant, nursing, or taking any other medications.
- Discontinue use and consult your doctor immediately if any adverse reactions occur. Do not take Magnesium L-Threonate and operate any heavy machinery until you know how it affects you.
- Keep out of reach of children.
- Allergens and what it does not contain
- Made with Non-GMO Ingredients Gluten Free
Source: label statements in DSLD label 315679.
What else is on the label?
Other ingredients: Gelatin, Rice Flour.
Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Proudly Manufactured in the USA.
How many labels does Magnesium L-Threonate 2000 mg have?
4 labels are on file under this name since January 22, 2021: other sizes, label designs and reformulations. The current one leads this page.
- Label 315679 (current) Entered July 25, 2024 · on the market · 100 capsules · UPC X0018B2NQZ
- Label 286153 Entered June 22, 2023 · off the market May 10, 2023 · 100 capsules · UPC X0018B2NQZ
- Label 255570 Entered September 24, 2021 · off the market April 21, 2022 · 100 capsules · UPC X0018B2NQZ
- Label 241833 Entered January 22, 2021 · off the market June 21, 2021 · 100 capsules · UPC X0018B2NQZ
Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).
Who makes it?
The label names Double Wood LLC (distributor), Philadelphia, PA , United States . All Double Wood Supplements products.