Vitamin B Complex in Australia: Capsules vs Drops vs Patches, and How to Choose (2026 Guide)

What's in a vitamin B complex, methylcobalamin vs cyanocobalamin, the B6 warning, and how capsules, liquid drops and patches compare.

By Health and Heal
4 min read


Vitamin B complex is one of the most common supplements on Australian shelves, and now it comes in more formats than ever: capsules, liquid drops and even wearable patches. This guide explains what's actually in a B complex, which forms to look for on the label, and how to choose the format that suits you.

What is a vitamin B complex?

"B complex" is a name for the group of eight B vitamins, usually taken together in one product:

  • B1: thiamine
  • B2: riboflavin
  • B3: niacin (often as niacinamide)
  • B5: pantothenic acid (often as calcium pantothenate)
  • B6: pyridoxine
  • B7: biotin
  • B9: folate (often as folic acid)
  • B12: cobalamin (as methylcobalamin or cyanocobalamin)

B vitamins are water-soluble, so the body doesn't store most of them in large amounts. They're found across a wide range of foods, including wholegrains, meat, eggs, dairy, legumes and leafy greens. Not every product called "B complex" contains all eight, so it's worth checking the label.

Who tends to look at B complex supplements?

Vitamin B12 is found naturally almost only in animal foods, which is why people following vegan or mostly plant-based diets often look at B12 or B complex products. Others simply prefer one daily product over several. If you think your diet may be low in B vitamins, your GP can advise whether testing makes sense. Don't self-diagnose.

Label details worth knowing

Methylcobalamin vs cyanocobalamin

These are two forms of vitamin B12. Methylcobalamin occurs naturally in food; cyanocobalamin is a widely used, stable form. The label will tell you which one a product uses.

Folate vs folic acid

Folate is the form found in food; folic acid is the form commonly used in supplements and fortified foods. Labels often show folate as "mcg DFE" (dietary folate equivalents) so different forms can be compared.

Vitamin B6 warning

In Australia, products containing vitamin B6 carry a warning that B6 may cause peripheral neuropathy. If you notice tingling, burning or numbness, stop taking it and see your health professional. B6 adds up across products, so check every supplement you take, including multivitamins and magnesium formulas.

Bright yellow urine

Riboflavin (B2) commonly turns urine bright yellow. It's harmless.

Biotin and blood tests

High-dose biotin can interfere with some laboratory test results. Tell your doctor or pathology lab if you're taking it.

Capsules vs liquid drops vs patches

Capsules

Capsules are the traditional format. They're easy to dose and often hold a broader formula, sometimes with extra nutrients such as vitamin C, D3 or K2. The trade-off is that you need to be comfortable swallowing them.

Liquid drops

Drops suit people who don't like swallowing capsules. You measure with a dropper and take them directly or in a little water. Check the flavour, the sweetener and how many servings the bottle actually gives you.

Patches

Patches are worn on the skin for several hours. They're convenient and capsule-free, but it's worth knowing that research on how well vitamins are absorbed through the skin is still limited compared with oral supplements. Treat them as a convenience format, and follow the application directions on the pack.

The B complex products we stock

Amounts below are as listed on each product's label.

Browse more formats: capsules, liquid drops and patches. Not sure which suits you? Read how to choose a supplement format.

How to choose

  1. Decide on the format you'll actually use every day.
  2. Check which B vitamins are included, since not every "B complex" has all eight.
  3. Look at the B12 and folate forms if you have a preference.
  4. Add up B6 and vitamin D across everything you take.
  5. Talk to your health professional first if you're pregnant or breastfeeding, take medication or have a medical condition.

Frequently asked questions

When should I take a B complex?

Follow the label. Some capsules are directed to be taken with food. Many people simply take them in the morning with breakfast.

Can I take a B complex with a multivitamin?

Possibly, but many multivitamins already contain B vitamins, so amounts add up, especially B6. Check both labels or ask your pharmacist.

Why is my urine bright yellow?

That's riboflavin (vitamin B2), and it's harmless.

Are vitamin patches as good as capsules?

There's less research on vitamin absorption through the skin than on oral supplements. Patches are a convenient option, but if absorption is your main concern, capsules or drops are the better-studied formats.


Always read the label and follow the directions for use. Vitamin supplements should not replace a balanced diet. This article is general information only and is not medical advice. If symptoms persist, talk to your health professional.