Label arithmetic · NIH DSLD 245277
Teraputics Pure Life Magnesium L-Threonate: 36 mg of magnesium per capsule
144 mg of magnesium per serving. No US price matched (Nov 2). Inside: salt weight, capsule size.
Teraputics Pure Life Magnesium L-Threonate declares 144 mg of elemental magnesium per serving as l-threonate, which needs 436 mg of magnesium l-threonate in each capsule, against 545 mg in a size 0 capsule at powder density 0.8 g/mL, the top of the usual 0.6–0.8 range: it fits a size 0 capsule, the smallest of the three sizes compared here. No US retail price matched as of 2026-11-02; 2 of the 8 l-threonate labels in this registry have a matched price. NIH DSLD 245277, label dated 2021-03-25.
computed from the filed label
Chart data
| Displayed chart text |
|---|
| 545 mg |
| 730 mg |
| 1,100 mg |
| 436 mg of l-threonate per capsule |
Data release 2026-08-10-f441aa9f · registry snapshot 2026-08-10 · latest price observation 2026-10-19 · chemistry 2026-10-17
Mass: 436 mg per capsule · Price: none matched · % DV: 34% vs 34%
Elemental: The magnesium itself; the rest of the compound weight is the partner molecule.
Compound: The whole salt, such as magnesium glycinate, that must physically fit in the capsule.
Size 000: The largest standard capsule, about 1,100 mg of powder at 0.8 g/mL, the top of the usual 0.6–0.8 range; size 00 holds about 730 mg and size 0 about 545 mg.
Recompute with your price
Enter the price you paid; the declared amount and servings of this label are prefilled, so the result is the cost per 100 mg of elemental magnesium for your bottle.
Same-salt comparison appears here.
Will 144 mg of l-threonate actually fit in one capsule, or do I need more than one?
Estimated salt mass versus assumed capsule capacity: Teraputics Pure Life Magnesium L-Threonate implies 436 mg of magnesium l-threonate in each capsule to deliver 144 mg of elemental magnesium, against 1,100 mg in the largest standard capsule (size 000) at powder density 0.8 g/mL, the top of the usual 0.6–0.8 range. Verdict: fits size 0, read at the most favourable hydration and the most units per serving.
computed with assumption| Measure | Value |
|---|---|
| Elemental magnesium per serving | 144 mg |
| Units per serving | 4 |
| Magnesium l-threonate per serving | 1,745 mg |
| Magnesium l-threonate per capsule | 436 mg |
| Capsule capacity 0 · 00 · 000 | 545 · 730 · 1,100 mg |
| Verdict | Fits size 0 |
Source · NIH DSLD 245277 · label 2021-03-25; snapshot 2026-08-10 · release 2026-08-10-f441aa9f · CSV · method
Does the label's own text add up on magnesium?
The label's ingredient rows list 2,000 mg of magnesium l-threonate and 144 mg of magnesium: 144 mg of magnesium from 2,000 mg of magnesium l-threonate is 7.2% magnesium, against the 8.3–8.3% that magnesium l-threonate can carry, so the label's numbers agree with its salt.
computed| Measure | Value |
|---|---|
| Ingredient rows (NIH DSLD) | 2,000 mg magnesium l-threonate · 144 mg magnesium |
| Implied magnesium share | 7.2% |
| Most magnesium l-threonate can carry | 8.3% |
Source · NIH DSLD 245277 label text · snapshot 2026-08-10; salt fractions from the chemistry model · release 2026-08-10-f441aa9f · CSV · method
How much elemental magnesium is actually in this label's filed magnesium lines?
Teraputics Pure Life Magnesium L-Threonate files 2 magnesium lines in NIH DSLD 245277; the selected primary line declares 144 mg of elemental magnesium per serving, against 1 other row excluded from the primary amount. A salt named under another nutrient does not turn that nutrient's quantity into elemental magnesium.
computed with assumption| Filed amount | Salt or note as filed | Role |
|---|---|---|
| 144 mg | threonate · Magnesium (Form: from Magnesium L-Threonate) | Primary serving |
| 2,000 mg | Salt not named in this row as of 2026-11-02 | Excluded from the primary amount |
If 2,000 mg were the compound mass rather than the element, the elemental amount would be about 165 mg (8.3% of it), computed with a stated assumption.
Source · NIH DSLD 245277 · label 2021-03-25; snapshot 2026-08-10 · release 2026-08-10-f441aa9f · CSV · method
Does this label's l-threonate claim hold up, or could the magnesium come from another source?
The label names one magnesium form, l-threonate, resolved from the filed magnesium line; at that salt the declaration is within the assumed size 000 capacity at powder density 0.8 g/mL, compared with oxide, the salt richest in magnesium at 60.3%.
computed with assumption| Form named on the label | Elemental fraction | Source |
|---|---|---|
| Magnesium L-threonate | 8.3% | filed magnesium line |
Source · NIH DSLD 245277 · label 2021-03-25; snapshot 2026-08-10 · release 2026-08-10-f441aa9f · CSV · method
Is this a good price for the elemental magnesium I'm actually getting?
No US retail price is matched to this label as of 2026-11-02; 2 of 8 l-threonate labels have one, against a median of $1.1572 per 100 mg among 1 ranked l-threonate offer.
computed
Chart data
| Displayed chart text |
|---|
| n=1 |
| median $1.1572 |
| Rank | Label | Per 100 mg | Observed |
|---|---|---|---|
| 1 | Momentous Magnesium Threonate | $1.1572 | 2026-11-02 |
| Median | 1 ranked l-threonate offer | $1.1572 | 2026-11-02 |
Source · Amazon via licensed data provider; NIH DSLD · unique ASIN × date; prices observed 2026-10-26 to 2026-11-02 · release 2026-08-10-f441aa9f · CSV · method
How many days will this bottle last at the label's own serving, and what does a day cost?
Days per bottle cannot be computed for Teraputics Pure Life Magnesium L-Threonate as of 2026-11-02: the filed directions give no complete daily frequency.
computed| Measure | Value |
|---|---|
| Net contents as filed | 100 Vegan Capsule(s) |
| Serving size as filed | 4 Vegan Capsule(s) |
| Servings per container | 25 |
| Servings per day in the directions | Not filed as of 2026-11-02 |
| Days per bottle | Not computable as of 2026-11-02 |
| $ per 30 days at one label serving a day | No ranked price as of 2026-11-02 |
| $ per 30 days at 420 mg Daily Value | No ranked price as of 2026-11-02 |
Source · NIH DSLD 245277 · label 2021-03-25; snapshot 2026-08-10 · release 2026-08-10-f441aa9f · CSV · method
What does "34% Daily Value" mean here, and does it recompute?
The label declares 34% Daily Value; 144 mg against the 420 mg reference in 21 CFR 101.9 recomputes to 34%, the same within one point.
computed| Group as filed | Declared | Reference | Recomputed |
|---|---|---|---|
| Adults and children 4 or more years of age | 34% | 420 mg | 34% |
Source · NIH DSLD 245277; 21 CFR 101.9 · label 2021-03-25 · release 2026-08-10-f441aa9f · CSV · method
Why does this label contain these other ingredients, what shell is it, and who is it filed for?
Teraputics Pure Life Magnesium L-Threonate files 2 other ingredients and a vegetarian shell, and no magnesium stearate, against 1 of 8 l-threonate labels that list magnesium stearate.
measured| Entry | Filed ingredient or declaration |
|---|---|
| 1 | Hypromellose |
| 2 | Rice Flour |
| Shell | vegetarian |
| Target group | Adult (18 - 50 Years) |
| Target group | Gluten Free |
| Target group | Dairy Free |
| Target group | Sugar Free |
Source · NIH DSLD 245277 · label 2021-03-25; snapshot 2026-08-10 · release 2026-08-10-f441aa9f · CSV · method
What has research measured about l-threonate, and about side effects?
No study in the registry measured l-threonate as of 2026-11-02.
measured| Year | Study | PubMed |
|---|
Source · PubMed-checked study registry · registry checked 2026-08-10 · release 2026-08-10-f441aa9f · CSV · method
Has this brand had FDA recalls or adverse event reports?
Teraputics Pure Life has 0 FDA recall records matched by brand name in the enforcement data queried 2026-10-19. Teraputics Pure Life has no FDA CAERS adverse event report on record at brand level as of 2026-10-19 (143 of 273 brands in this registry have at least one CAERS report).
measured| Recall | Date | Reason | Status |
|---|---|---|---|
| No recall record as of 2026-10-19 |
Source · openFDA enforcement and CAERS · queried 2026-10-19 · release 2026-08-10-f441aa9f · CSV · method
Is this the same formula as another brand's, and how do their prices differ?
No other brand files the same formulation (ingredients, shell, units and rounded amount) as of 2026-11-02.
computed| Label | Brand | Price per 100 mg |
|---|---|---|
| No cross-brand match as of 2026-11-02 |
Source · NIH DSLD 245277 · label 2021-03-25; snapshot 2026-08-10 · release 2026-08-10-f441aa9f · CSV · method
Which labels are closest to this one, with the same salt and dose?
No other label files the same resolved salt within ±10% of this label's dose per unit as of 2026-11-02.
computed| Label | Elemental per unit | Price | Verdict |
|---|---|---|---|
| No neighbour as of 2026-11-02 |
Source · NIH DSLD 245277 · label 2021-03-25; snapshot 2026-08-10 · release 2026-08-10-f441aa9f · CSV · method
Where does this record come from, what is missing, and how do I cite or correct it?
Every value on this page traces to NIH DSLD 245277 (label 2021-03-25, snapshot 2026-08-10) and the chemistry model of 2026-09-13. 1 gap remain: No US retail price matched as of 2026-11-02 (barcode X001Q9O7VN). The CSV carries the values shown here.
measured| Field | As filed |
|---|---|
| NIH DSLD label | NIH DSLD 245277 |
| Label date | 2021-03-25 |
| Date entered into DSLD | 2021-03-25 |
| Barcode (UPC) as filed | X001Q9O7VN |
| Manufactured exclusively for | Teraputics Inc, New York, NY |
| Claim category as filed | Nutrient |
| Claim category as filed | All Other |
| Claim category as filed | Structure/Function |
22 additional rows
| Field | As filed |
|---|---|
| Suggested/Recommended/Usage/Directions | Suggested Use: Take 4 capsules per day in divided doses as follows: 2 capsules in the morning and 2 capsules two hours before you go to sleep. |
| Formula re: Contains | Magnesium L-Threonate has less of a laxative effect than other forms of magnesium. |
| Formulation re: Other | Helps to maintain the quantity & quality of synaptic connections between brain cells Works to optimize magnesium in the brain Helps to enhance overall brain health Helps to enhance quality of sleep Maximum strength & potency |
| Formula re: Contains | The most bioavailable form of magnesium |
| Formulation re: Other | Maximum strength & potency |
| Formulation re: Does NOT Contain | Non-GMO and gluten-free |
| Precautions re: All Other | Caution: Maximum dose is 8 capsules (4 grams) per day. |
| Precautions re: Pregnant or Nursing or Prescription Medications | Pregnant or nursing mothers, children under the age of 18, and individuals with a known medical condition should consult a physician before using this or any dietary supplement. |
| Precautions re: Children | Pregnant or nursing mothers, children under the age of 18, and individuals with a known medical condition should consult a physician before using this or any dietary supplement. Keep out of the reach of children. |
| Precautions re: All Other | Do not use if safety seal is damaged or missing. |
| Storage | Store in a cool, dry place |
| Formula re: Contains | Magtein |
| Formulation re: Other | UltraPure Supports healthy memory and cognitive function |
| FDA Statement of Identity | Dietary Supplement |
| Brand IP Statement(s) re: (c), (TM), (SM) | Magtein is protected by ten US patents. Magtein is a trademark of Magceutics, Inc. and is distributed exclusively by AIDP, Inc. |
| Formulation re: Does NOT Contain | Contains Zero GMOs, soy, artificial flavors, colors, sweeteners, sugar, preservatives, starch, milk, lactose, gluten, wheat, yeast, fish, sodium. Non GMO |
| FDA Disclaimer Statement | These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease. |
| Formulation re: Other | Made in USA |
| Seals/Symbols | Good Manufacturing Practice Sourced from a GMP Certified Facility Certified 3rd party tested |
| General Statements: All Other Content | Satisfaction Guaranteed |
| Physical state | Capsule |
| Registry snapshot | 2026-08-10 |
Source · NIH DSLD 245277 · label 2021-03-25; snapshot 2026-08-10 · release 2026-08-10-f441aa9f · CSV · method
6 brand pages linked below contain magnesium labels from the NIH DSLD registry snapshot dated 2026-08-10.