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A triple magnesium complex is a product name, usually for three magnesium salts in one dose, and we found no law or standard that defines the term. Magnesium glycinate is one salt, also called bisglycinate. What to compare sits on the panel: magnesium per serving, which salts, any weight given for each, other ingredients and capsules per serving. Of 24 US label records with "triple magnesium" in the name, 21 list three magnesium salts.
We sell one three-form capsule, Satiovex Tri-Mag Night: magnesium bisglycinate, magnesium L-threonate and magnesium taurate, 200 mg of elemental magnesium per serving of three capsules, 90 capsules, 30 servings. The product page lists no magnesium oxide and no magnesium citrate. Read this as a seller's account of how to check any blend label. It makes no claim about what any magnesium form, or any capsule we sell, does.
What is a triple magnesium complex?
A trade name, not a defined term. A PubMed search on 10 October 2026 found no record containing "triple magnesium complex". We also found no definition of "triple", "complex" or "chelate" for magnesium in the EU labelling and food supplement texts or the US supplement labelling rule that we read; the only "complex" in the EU lists of permitted sources is a copper compound. The name shows the maker's intent. The panel shows the contents.
To see what the name usually covers, we searched the NIH Dietary Supplement Label Database on 10 October 2026 for product names containing "triple magnesium". It returned 24 US label records, 10 on the market and 14 not. Twenty-one name three magnesium salts, two name two salts and lactose, and one gives only a "proprietary blend". Nineteen list magnesium oxide, seventeen of them as aspartate, citrate and oxide; one lists glycinate, malate and citrate. Only one record gives a weight for each salt: in that older record, 350 of the 400 mg of magnesium came from oxide, 40 mg from citrate and 10 mg from aspartate. These are US records, and we did not survey UK or EU products. Names such as magnesium complex capsules or 3 in 1 magnesium capsules are no different: the words do not fix the contents.
What changes when you compare a blend with a single form?
Magnesium glycinate is one salt, so one number does most of the job. A blend adds questions that a single-salt label never raises.
| What to read | Single salt (magnesium glycinate) | Blend (triple complex) |
|---|---|---|
| Magnesium per serving | One figure for the element | One figure for all the salts together |
| Which salts | One, named | Three or more after "as"; some labels name none |
| Weight of each salt | Magnesium ÷ 14.1% gives it | Often missing, which rules out the ceiling test |
| Most magnesium the salts can hold | Salt weight × 14.1% | Each salt weight × its own share, added up |
| Other ingredients | Shell and fillers | The same, plus any extra salt such as oxide |
| Serving | Capsules per serving | The same; divide to compare per capsule |
The magnesium line is the element, not the compound. NIH says the US Supplement Facts panel declares elemental magnesium, and the US rule says amounts represent the weight of the nutrient rather than the weight of its source (21 CFR 101.36). In the EU, supplement labels give amounts per the daily portion recommended on the label, with vitamins and minerals also shown as a percentage of the reference value (Directive 2002/46/EC).
The ceiling test, which multiplies each salt weight by its share, is explained in our guide to reading the mg number on a label, and glycinate vs bisglycinate covers the naming. For glycinate, magnesium is 14.1% of the weight (24.305 ÷ 172.423), so a product showing 400 mg of compound holds at most about 56 mg of magnesium (400 × 14.1% = 56.4). If the panel's magnesium line says 400 mg, the compound weighs about 2.8 g (400 ÷ 0.141 = 2,837). Shares for the salts in our own capsule are in bisglycinate vs L-threonate vs taurate compared.
An example with invented numbers, not real products. Label A reads "magnesium glycinate 1,500 mg, three capsules". Label B reads "magnesium 200 mg, two capsules", from three salts. A: 1,500 × 14.1% = 211.5 mg a serving, 70.5 mg a capsule. B: 200 mg a serving, 100 mg a capsule. Label A shows the bigger number, yet per capsule B holds more magnesium. Neither label says which is better absorbed or tolerated; that is a separate question.
Which pitfalls catch people on blend labels?
Percent against milligrams. The same 200 mg is 53.3% of the EU reference value of 375 mg and 47.6% of the US Daily Value of 420 mg (200 ÷ 420), because the bases differ (Regulation (EU) No 1169/2011; NIH). Compare milligrams across countries, not percentages.
Serving size. A serving is not always one capsule. Three of the 24 US records define it as two or three capsules; in one, 400 mg of magnesium comes from three capsules, about 133 mg a capsule (400 ÷ 3). Divide before you compare. In 19 records the product name carries a milligram figure, and in all 19 it equals the panel's magnesium per serving.
Weights you cannot see. Twenty-three of the 24 records give no weight for each salt, so the ceiling test cannot be run on them, and a three-salt name does not say which salt dominates.
What should you ask a seller about a blend?
- How many milligrams of each salt are in one serving, and which hydrate is used?
- Is the magnesium figure elemental, and is it per capsule or per serving?
- How many capsules make a serving?
- Is any salt present that the name does not mention, such as oxide?
- What else is in the capsule?
Our label as the example
On the label facts for the Tri-Mag Night capsule, the magnesium line is 200 mg per serving of three capsules, which is 53% of the 375 mg EU reference value (200 ÷ 375 = 53.3%). The forms are named: bisglycinate, L-threonate and taurate. Per capsule that averages 66.7 mg of magnesium (200 ÷ 3). The product page lists no magnesium oxide and no magnesium citrate. By the shares in our three-form comparison, 200 mg of magnesium from bisglycinate alone needs 1,419 mg of compound, so three capsules hold at least about 1.4 g of salts whatever the split between the forms.
The bottle of 90 capsules, 30 servings has its own page. Delivery and returns are covered by the shipping policy and the refund policy, and orders carry a 30-day money-back guarantee.
Questions about triple complexes and glycinate
Is triple magnesium complex better than magnesium glycinate?
No source we opened ranks them, and PubMed has no record for the phrase "triple magnesium complex", so we found no comparison with magnesium glycinate. The two differ in what the label shows and in which salts are present. Compare magnesium per serving, the salts named, any weights and the other ingredients. Which suits a person is a question for a pharmacist or doctor.
What is in a triple magnesium complex?
It varies by product. In the 24 US label records we read, 21 name three magnesium salts, most often aspartate, citrate and oxide (17 records). Read the line after "as" and look for weights.
Are 3 in 1 magnesium capsules the same as a triple complex?
Both are product names with no definition we could find, so neither tells you which salts, what weights or how many capsules make a serving. The panel does.
Does the magnesium figure on a blend include all three forms?
Yes. It is the magnesium from every salt together, as the US rule and NIH describe, so it is not a sum of compound weights.
How much magnesium is in 400 mg of magnesium glycinate?
At most about 56 mg if 400 mg is the compound weight (400 × 14.1% = 56.4). If the panel's magnesium line says 400 mg, that is the element.
How we checked this page
- Sources opened. On 10 October 2026 we read the sources linked below, searched PubMed for the phrase "triple magnesium complex" and queried the NIH label database for product names containing "triple magnesium". The NIH fact sheet blocks automated access, so we read an Internet Archive copy of 7 October 2026.
- What we could not find. A legal definition of the term, a study comparing a blend with a single salt, and UK or EU label data. Our label counts are of US records, some no longer on the market.
- Review. No doctor, pharmacist or dietitian has reviewed this page.
- Who we are. Satiovex products are sold by Xinop LLC, trading as Satiovex. We run this site and have a financial interest in the products.
- Corrections. If something here is wrong, contact us and we will check it.
Last updated 10 October 2026 by the Satiovex editorial team.
Sources
- NIH Office of Dietary Supplements, Magnesium: Health Professional Fact Sheet (updated 6 January 2026).
- NIH Dietary Supplement Label Database, product names containing "triple magnesium" (search run 10 October 2026).
- US 21 CFR 101.36, Nutrition labeling of dietary supplements.
- Regulation (EU) No 1169/2011, consolidated text, Annex XIII.
- Directive 2002/46/EC on food supplements, Article 8.
- PubMed search for "triple magnesium complex" (no records on 10 October 2026).
- Also read: Commission Regulation (EC) No 1170/2009, Annex II; PubChem compound 84645; IUPAC CIAAW atomic weights 2024.