Magnesium Glycinate with L-Theanine 350 mg
by Bucklebury · capsule · 90 capsules
- On the market (NIH)
- UPC 8 60010 27642 6
- DSLD label 331444
- Serving 3 capsules
- 30 servings
Magnesium Glycinate with L-Theanine 350 mg by Bucklebury lists 3 ingredients, 3 with an amount per serving of 3 capsules, such as 350 mg of magnesium, 200 mg of L-theanine and 5 mg of bioperine. Its current label entered the NIH Dietary Supplement Label Database on May 21, 2025.
What is in Magnesium Glycinate with L-Theanine 350 mg?
Each row as the label prints it, per serving of 3 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 |
|---|---|---|---|
| Magnesiumas Magnesium Bisglycinate | 350 mg | 83% | Higher than 91% of 14,003 products listing magnesium (median 86 mg). |
| L-Theanine | 200 mg | Higher than 61% of 1,602 products listing theanine (median 100 mg). | |
| Bioperineas Black Pepper Extract | 5 mg | 33% of 2,363 products listing black pepper give more (median 5 mg). |
Source: NIH ODS Dietary Supplement Label Database, label 331444 (entered May 21, 2025), 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:
- Its 350 mg of magnesium is higher than 91% of the 14,003 magnesium products that print an amount; 1,247 list more.
The NIH database records one serving 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 Magnesium Glycinate with L-Theanine 350 mg's, rare ingredients counting for more.
- Magnesium Soothe 350 mg Raspberry LemonNature's Lab 2 shared, 63% alike
- Magnesi-OmMoon Juice 2 shared, 63% alike
- CALM Mind Honey ChamomilleNatural Vitality · off the market 2 shared, 63% alike
- CALM Mind Honey VanillaNatural Vitality · off the market 2 shared, 63% alike
- CALM Mind UnflavoredNatural Vitality · off the market 2 shared, 63% alike
- More Chill Magnesium + L-TheanineWell Minerals Powered by MDLogic 2 shared, 63% 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
- Recommended use: Adults, as a dietary supplement, take three (3) capsules once daily with 8-12 oz. of water. Can take any time of day, but we recommend taking in the evening 30-60 minutes before you go to bed or as directed by your physician.
- Warnings
- Warning: Do not exceed recommended dose.
- If you are under 18, pregnant or nursing, taking any medications, or have any medical conditions, consult a doctor before use.
- If you are under 18, pregnant or nursing, taking any medications, or have any medical conditions, consult a doctor before use. Keep out of reach of children.
- Discontinue use and consult your doctor if any adverse reactions occur. Do not use if safety seal is damaged or missing.
- Allergens and what it does not contain
- Non GMO Dairy free Gluten free
- Storage
- Store in a cool, dry place.
Source: label statements in DSLD label 331444.
What else is on the label?
Other ingredients: Hydroxypropyl Methylcellulose, Magnesium Stearate.
Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Vegan Friendly.
How many labels does Magnesium Glycinate with L-Theanine 350 mg have?
One label is on file, entered on May 21, 2025.
- Label 331444 (current) Entered May 21, 2025 · on the market · 90 capsules · UPC 8 60010 27642 6
Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).
Who makes it?
The label names Bucklebury, LLC (distributor), Bentonville, AR. All Bucklebury products.