Your guide to healthy living — 🇺🇸 USA
Evidence-minded guides to vitamins, supplements and everyday wellness since 2001.
Ask about supplements, sleep, nutrition and everyday wellness.
General wellness information, not medical advice. For your own health situation, speak to a doctor or pharmacist.
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Vitamin D is made in the skin from sunlight and also comes from a short list of foods and supplements. Most labels offer either D2 or D3, measured in micrograms (mcg) or International Units (IU) — and for many people the real question is not which brand, but how much they already get.
Read the guideVitamins
Vitamin D is made in the skin from sunlight and also comes from a short list of foods and supplements. Most labels offer either D2 or D3, measured in micrograms (mcg) or International Units (IU) — and for many people the real question is not which brand, but how much they already get.
9 min read
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Supplements
Magnesium is always paired with something else in a supplement — citrate, glycinate, oxide, malate — and that partner changes the tablet size, how it is tolerated and how much elemental magnesium you actually get per serving.
8 min read
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Vitamins
A multivitamin is a convenience product: a spread of nutrients at modest amounts. Choosing one sensibly means matching the formula to the gaps in your own diet and life stage, then reading the panel rather than the front of the box.
7 min read
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Herbs & Botanicals
Ashwagandha is the root of Withania somnifera, a shrub used for centuries in Ayurvedic tradition. On a modern label, the words that matter are the plant part, the extract ratio and any standardisation figure.
6 min read
Read moreSupplements
Magnesium is always paired with something else in a supplement — citrate, glycinate, oxide, malate — and that partner changes the tablet size, how it is tolerated and how much elemental magnesium you actually get per serving.
8 min read
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Beauty & Skin
Collagen is the structural protein in skin, bone and connective tissue. Supplements are mostly hydrolysed collagen — collagen broken into shorter peptides — and the meaningful differences between products are source, type and dose per serving.
7 min read
Read moreIs 1000 IU the same as 25 mcg?
Yes. The conversion is fixed at 1 mcg = 40 IU, so 1000 IU is 25 mcg.
Read moreIs vegan vitamin D3 available?
Yes. Most D3 comes from lanolin, but algae-derived D3 exists and is labelled as suitable for vegans. Vitamin D2 from UV-exposed yeast or fungi is also plant-sourced.
Read moreWhich magnesium form is best absorbed?
Organic salts such as citrate and glycinate are generally better absorbed than oxide, but absorption is only one factor alongside dose, format and personal tolerance.
Read moreWhy is 500 mg of magnesium citrate not 500 mg of magnesium?
The 500 mg is the whole compound. The citrate part accounts for most of that weight, so the elemental magnesium is far lower — the label should state it.
Read moreIs a more expensive multivitamin better?
Not necessarily. Price can reflect nutrient forms, capsule materials or brand positioning. Compare the panels before drawing conclusions.
Read moreShould I take it with food?
Many multivitamins are better tolerated with a meal, and fat-soluble vitamins are absorbed alongside dietary fat. Follow the label directions.
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Babies & Kids
From serving sizes to gummy ingredients, a little label know-how makes choosing kids’ vitamins simpler. I’m Jack, BIOVEA Wellness Advisor—here’s what I look for when comparing children’s multivitamins.
7 min read
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Food & Home
Build a pantry that makes everyday meals easier. Learn how to compare ingredients, serving sizes, fibre, sugar and sodium—and choose staples you’ll enjoy using. By Jack, BIOVEA Wellness Advisor.
7 min read
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Personal Care
Make your first aid kit easier to shop for and simpler to use. Learn where to find ingredients, directions and expiry dates—and how to choose practical essentials. By Jack, BIOVEA Wellness Advisor.
7 min read
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Minerals
By Jack, BIOVEA Wellness Advisor. From selenium benefits to mcg, serving sizes and ingredient forms, here’s how to compare selenium supplements and choose one that fits your routine.
7 min read
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Ingredient Guides
By Jack, BIOVEA Wellness Advisor. From ubiquinone vs ubiquinol to milligrams per serving, here’s how to compare CoQ10 supplements and choose a format that fits your everyday routine.
7 min read
Read moreVitamins
Vitamin D is made in the skin from sunlight and also comes from a short list of foods and supplements. Most labels offer either D2 or D3, measured in micrograms (mcg) or International Units (IU) — and for many people the real question is not which brand, but how much they already get.
9 min read
Read morePrices and availability are shown on the BIOVEA store, not here.
