supplements

Not All Multivitamins Are Created Equal: What Actually Makes One Work?

What actually differs between multinutrients: forms, amounts, and the label, without lab-result marketing.

Not how much: the dose on the front matters less than the form behind it

Most multinutrients look the same from the front of the pack. Fruit photo. Big percentage. A long list. Then you take one for a while and wonder why nothing feels different. Often the useful difference was never on the front.

The short answer

  • Form matters as much as the milligram line. Magnesium oxide and magnesium bisglycinate are not interchangeable objects.
  • A day's worth matters more than one gummy against one tablet.
  • % NRV is an adult labelling ruler. Read the mg or µg first.
  • Sugar and sweeteners tell you what kind of product you are holding. A gummy is often a sweet first.
  • We only say what the EU Register allows for each nutrient. That honesty is the point, once.

Start with the form, not the shouty percentage

Two packs can both say "magnesium" and still be different salts. Oxide is common and cheap. Bisglycinate is the form we use. Citrate turns up for other reasons. The back of the pack should name the form. If it does not, you cannot compare the products fairly.

The same habit helps with B12, folate and zinc. Named forms beat vague mineral names. Our longer note on absorption language is here.

Compare a day, not a serving suggestion

One brand lists amounts per tablet. Another per two gummies. Until both are converted to what the pack says to take in a day, you are not comparing products.

For children, the age line is part of the dose. "From 4 years" is who the formula was made for. Our calm label walkthrough is How to read a supplement label.

Gummies, powders and what the other ingredients are doing

When breakfast is already a negotiation about anything that is not sweet, a sweet vitamin looks like the obvious answer. One of us lives with that every morning, which is exactly why we want to be honest about the pull of it.

A gummy with glucose syrup near the top is telling you what it is. A powder that lists a flavouring is telling you the taste does not come from a handful of berries on the photo. Format is a full page here: Powder, gummies, tablet or syrup.

Balance is quieter than a hero ingredient

Zinc is useful and also easy to overdo if a lozenge sits on top of a multinutrient. Zinc and copper share pathways, which is why we wrote zinc and copper as its own article.

Vitamin D3 and vitamin K2 often travel together in European formulas. That pairing has its own page: Why is vitamin D sold with K2?. Authorised wording for vitamin D includes that it contributes to the maintenance of normal bones and is needed for normal growth and development of bone in children. That is what we are allowed to say. It is not a reason to stack three D products.

What we looked for when we could not find one

We both live in Portugal and are involved in the expat communities there. Supplements are harder to find here than in the UK or the United States, and we could not find a family option we were happy with. What we meant was a label we could read: named forms, clear amounts, an age line, and no need to guess.

That search is why My Daily Pocket exists. It is not a claim that every other pack on every shelf is inadequate.

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Where My Daily Pocket fits

Formula Vitamin D3 Magnesium Zinc B12 Iron
Pocket Kids (4-11) 25 µg 100 mg 5 mg 25 µg None
Pocket Teens (12-17) 35 µg 150 mg 10 mg 100 µg None
Pocket Adults (18+) 35 µg 200 mg 10 mg 100 µg None

One scoop a day into water. Made for the age line on the pouch. If iron is what you need, this is the wrong product.

Better questions than "how many milligrams"

  1. What form is named?
  2. What is a day's worth?
  3. What does the sugar or flavouring line say?
  4. Who is the age line for?
  5. What is deliberately not in it?

FAQ

Are all multinutrients the same?
No. Form, daily amount, age line and what was left out differ a lot between packs.

Is a higher % NRV always better?
No. % NRV is an adult labelling figure. Read the milligrams or micrograms.

Do you publish old batch lab numbers here?
Not on this page. We are waiting on the next batch. Judge a pack by the label in your hand.

Where should I learn to read the back of the pack?
How to read a supplement label.

Sources

About the authors

Lina is a co-founder of My Daily Pocket and is certified in nutrition. Stanislava is a co-founder. They write the Knowledge Hub together.

Last reviewed: 15 October 2026.


Food supplements should not replace a varied, balanced diet and a healthy lifestyle. No supplement is a substitute for a varied, balanced diet. Stay within the dose on the pack. This page does not replace a GP. If you are pregnant, on medicines, or a child has a medical condition, speak to a professional.

Our first small release is complete and ordering is paused. Join early access for 10% off the first order from the next release. We will email the code when ordering opens.

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