One multivitamin or a targeted stack — which one suits whom

In the average supplement cupboard there are often two things at the same time: a multivitamin "for the basics" and alongside it another 4 to 6 targeted products — magnesium, vitamin D, omega-3, a fibre supplement, a probiotic. Counted honestly: that is a daily dose of 12 to 20 capsules.

For anyone starting out, that feels manageable: I am covering everything. For anyone who has been at it for a while, the question sometimes nags whether that whole row still adds up — or whether one well-chosen multivitamin plus a small targeted layer would have made more sense.

This article puts the two approaches side by side and offers a level-headed decision guide.

Option A — The multivitamin approach

What it is: one basic formula that tops up most vitamins and minerals at or just above RI level, plus possibly a few botanical ingredients.

What it stands for:

• A safety net for days on which the diet is less varied
• Fewer different jars — simplicity in the kitchen, easier to keep up consistently
• Lower risk of a gap in a specific micronutrient — particularly for anyone who has not had a consultation about their own status
• Suits people with a generally healthy diet who want a safety net

Where it runs into limits:

• Compromise doses. A 25-in-1 cannot possibly bring every ingredient to an effective dose — otherwise the capsule would become too large or the UL would be exceeded. The result: often vitamin D at 5–10 µg (too low for a Dutch winter), magnesium at 50–100 mg (too low in a stress context), zinc just within the UL.
• "Cheap forms" as a compromise. Magnesium oxide instead of bisglycinate, iron fumarate instead of bisglycinate, vitamin E as synthetic DL-alpha-tocopherol instead of natural D-alpha-tocopherol. Per ingredient that makes a measurable difference in absorption.
• All or nothing. One ingredient too high (often vitamin A in cheap multis) or too low — you cannot adjust a single component of a multivitamin.

Option B — The targeted stack

What it is: 2 to 4 targeted supplements, chosen on the basis of what gives the most leverage in your own situation.

What it stands for:

• Doses at the right level for the ingredients that matter to you — vitamin D at 50–75 µg in winter, magnesium at 200–300 mg in the evening, and so on
• A choice of form per ingredient — magnesium bisglycinate, methylfolate instead of folic acid, vitamin D3 in an oil base
• Adjustable — you can switch one component on or off
• Suits people with a specific goal (sleep, energy, immune, gut flora, sports recovery)

Where it runs into limits:

• More jars — more cost, more of a challenge to the routine
• Stack management required — UL checks per nutrient, interaction considerations, timing choices
• Less of a safety net for the micronutrients you are not targeting — if you only take magnesium + vitamin D + omega-3, there is no B complex in there
• Demands more knowledge — a good stack is not an impulse purchase

The practical reality for most people

In orthomolecular practice we mainly see three scenarios that keep coming back:

Scenario 1 — You are starting out and want simplicity

For anyone just starting with supplements, or anyone with little time or energy to read up in depth: a good multivitamin + 1 targeted addition is usually the smartest starting position.

Example: a well-founded multivitamin with realistic doses + separate vitamin D in winter (because even a good multi is often too low for the Dutch winter requirement).

A concrete alternative: a well-founded multi + omega-3 (if you do not eat oily fish weekly).

Scenario 2 — You have a specific goal

Sleep that is poor, a busy period in which you notice your stress tolerance creaking, an immune context, sports recovery, maintenance of the gut flora. Here a targeted stack wins over a multivitamin — because the doses you need for that specific goal are usually higher than what fits into a multi.

Example for sleep/stress: magnesium bisglycinate 200–300 mg in the evening + a choice of adaptogens (ashwagandha, rhodiola) — possibly alongside a light basic multi.

Scenario 3 — You have both a goal and a concern about the basics

For anyone who both wants to address a specific area (immune support or gut flora, for instance) and is not sure whether the basics are in order: a layered approach — basic multi + 2 targeted supplements — is usually the most balanced route.

Example: basic multi + vitamin D in winter + magnesium in the evening + a fibre supplement.

In practice this is where most consistent supplement users end up — not because it was planned, but because it grows that way organically. The difference between "it works" and "it becomes too much" usually lies in deliberately stopping at 4–5 products instead of stacking on to 8.

A practical decision tree

Ask yourself the questions in order:

1. Do I eat a varied diet, more than three portions of vegetables a day, oily fish weekly, enough protein?\ → If no: a multivitamin as a safety net is a realistic start. Work on the dietary side alongside it.\ → If yes: you do not necessarily need a multi.

2. Do I have a specific goal or complaint for which I want supplement support?\ → If yes: go targeted. Identify 1–2 ingredients that have an evidence base for that goal and choose quality forms of them.

3. Do I want to bridge the Dutch winter?\ → Almost always: vitamin D separately, at a dose that covers the winter context (50–75 µg).

4. Am I taking medication or do I have a condition that can influence supplementation?\ → Do not build a stack without professional consultation. An orthomolecular practitioner or integrative GP can help set priorities.

5. Do I have enough discipline to take 5+ supplements consistently every day?\ → If the honest answer is "no": choose 2 stacks you will actually keep up, not 5 that end up in the cupboard in week 3. A supplement you do not take works 0% — however well it might otherwise work.

What distinguishes a good multivitamin from a mediocre one

When choosing a multi formula:

• Realistic doses — vitamin D at 25 µg or more (not 5 µg), magnesium at least 100 mg (preferably more), zinc at 5–10 mg (not higher without a rationale)
• Quality forms — methylfolate instead of folic acid, vitamin D3 rather than D2, magnesium bisglycinate or citrate (not oxide), iron bisglycinate
• No mega-doses of vitamin A in retinol form — the beta-carotene form or limited retinol (≤500 µg) is safer for long-term use
• No unnecessary botanical extracts with "pending" claims — those mainly make the multi commercial, not functional
• Claims formulated in line with EFSA on the page — it says something about the culture of the brand

What you are better off skipping

• 25-in-1 mega multis with 12+ botanical extracts in micro doses
• A "sports multi" with testosterone claims or comparable claims about effects that are not permitted
• Multivitamins that do not state the doses or state them only as "%RI" without a figure in mg
• Multis sold for very specific target groups (such as "morning multi", "evening multi", "energy multi") — usually marketing segmentation

When to bring in a professional

• With chronic complaints where your supplement stack seems to have stalled
• When taking medication that can interact with several supplement ingredients
• When specific deficiencies are suspected (B12, iron, vitamin D) — a blood test shows that
• For anyone who deliberately wants to build a structured approach instead of individual purchases — an orthomolecular practitioner often works with a prioritisation model: basics first, then goal-specific

Vitarium therapeutic editorial team

Our experience from the shelf is that the most-requested products are not the most spectacular ones. LVC5 multivitamin is chosen by many people who simply want a well-founded basis without having to assess 25 ingredients themselves. Alongside that, we regularly see magnesium citrate and Immuvir Lysine complex ordered together as a targeted addition — not because we sell them as a "stack", but because they follow on logically for people who want to add sleep-related calm or immune support to the basics. Which of the two approaches — multi or stack — suits you depends above all on what you consistently keep up. Better three products you keep up for three months than eight products that fall silent on the kitchen counter in week four.

This article is informative and not medical advice. If you want to build a supplementation plan structurally, with attention to interactions and dosage limits: consult a doctor or orthomolecular practitioner.

Sources: Voedingscentrum guidelines on supplementation for adults 2024 · Health Council of the Netherlands dietary reference values · EFSA Tolerable Upper Intake Levels · Sebastian RS et al. "Older adults who use vitamin/mineral supplements differ from nonusers in nutrient intake adequacy" (Am J Clin Nutr, 2007) — context for the multivitamin's function as a safety net.