Best Vitamins for Women UK: What You Actually Need in Your 20s and 30s

Walk into any pharmacy supplement aisle and you'll see the same thing: men's formulas repackaged in pink, price bumped up, new name slapped on. Most of the time that is genuinely what you're buying. We built Guudies because we were tired of that, and this guide is written in the same spirit: no filler, just what UK women actually need.

Do Women Actually Need Different Vitamins to Men?

Yes, but not in the dramatic way brands imply. The real differences come from iron, folate, and a handful of nutrients the UK diet consistently falls short on for women specifically. Menstruation, hormonal cycles, and typical eating patterns create genuinely different priorities. Not a mystical feminine formula. Just a few specific nutrients that matter more.

Which Vitamins Are UK Women Most Commonly Deficient In?

Iron is the big one. Around 25% of UK women of reproductive age are iron deficient. After that: Vitamin D (one in five adults regardless of sex, but women's fatigue symptoms get attributed to stress and dismissed constantly), iodine (falling as dairy consumption drops), B12 (anyone eating less meat), and magnesium, the quiet deficiency behind half the symptoms people chalk up to being tired and busy.

Why Do Women Need More Iron Than Men?

Menstruation. Monthly blood loss means iron stores deplete faster. The NHS recommends 14.8mg daily for women aged 19-50 versus 8.7mg for men. Most UK women fall significantly short through diet alone, especially without regular red meat.

What Should a Good Multivitamin for Women Actually Contain?

Vitamin D at meaningful levels, ideally 200% NRV not the token 100% most brands settle for. B12 as methylcobalamin. Iodine. Zinc. Full B-complex. Vitamin C and E. And honestly something functional beyond just vitamins, a greens blend, adaptogens, something that earns the price.

Our DailyGreens covers all of that plus a 200mg blend of 14 superfoods. Two vegan gummies, 0.4g sugar each. Claim your free Guudies trial here. Just cover £3.95 shipping and try them for yourself.

Which Supplements Do Women Not Actually Need?

Collagen in your early 20s your body produces plenty. Biotin at mega-doses without a confirmed deficiency. Most "women's blends" stuffed with evening primrose at quantities too small to do anything meaningful. The supplement industry loves a pink label. It does not always love an honest ingredient list.

When we built Guudies, we made one decision early: no ingredient gets in unless it has a credible reason to be there at the dose it's included at. That's why our DailyGreens covers Vitamin D at 200% NRV, B12 as methylcobalamin, iodine, zinc, K2, and a 200mg greens blend of 14 superfoods not a token trace of each. DailyGreens is one of six gummies in the Guudies daily routine, each targeting a different system so everything works together rather than stacking up in a drawer.

The gummies themselves are free on our starter trial you just cover £3.95 shipping and try the full routine for yourself. Claim your free Guudies trial here.