The Best Supplements for Women, Tested and Reviewed by a Dietitian

Reported by Women's Health Magazine.

Your supplement shelf probably looks like a wellness fever dream — half-used bottles, expired gummies, a magnesium you bought after one bad night of sleep. But if you're actually trying to build a stack that works, the noise needs to clear. According to Women's Health Magazine, a dietitian-tested lineup of six core supplements addresses the specific gaps most women face across every life stage — and the brands holding up under scrutiny are fewer than you'd think.

Start with the foundation. Ritual's Essential for Women 18+ multivitamin leads with intentional formulation: elevated doses of vitamin D3, folate, and B12 where women's needs run highest, plus vegan omega-3s derived from microalgae rather than fish oil. Calcium is notably absent — by design, with the philosophy that food should cover it — but supporting nutrients like K2, magnesium, and boron are included to optimize whatever calcium you do consume. Every ingredient is fully traceable, third-party tested, and certified by both USP and the Non-GMO Project. The mint capsules are either a selling point or a dealbreaker depending on your palate.

The Nutrients Women Are Actually Deficient In

Vitamin D and magnesium are the unglamorous workhorses of women's health, and both are chronically under-consumed. Thorne Vitamin D3 comes in 1,000, 5,000, and 10,000 IU doses — flexible enough to correct a deficiency or simply maintain healthy levels — and its 5,000 IU version carries NSF Certified for Sport status. For magnesium, Thorne Magnesium Bisglycinate Powder delivers 200mg per scoop in a highly bioavailable form that won't wreck your digestion the way cheaper magnesium supplements notoriously do. It blends invisibly into water, smoothies, or oatmeal, and supports everything from muscle recovery to sleep quality — needs that spike during menstruation, pregnancy, and perimenopause.

Women with regular cycles, plant-based diets, or endurance training habits should pay close attention to iron. Thorne Iron Bisglycinate uses Ferrochel® ferrous bisglycinate chelate — a form backed by a 2023 systematic review for being both highly absorbable and significantly gentler on the stomach than standard ferrous sulfate. At 25mg per capsule, it sits just above the 18mg RDA for women ages 19–50, so this isn't a supplement to take casually; get your levels checked first. For omega-3s, Carlson Alaskan Omega-3 delivers 690mg EPA and 260mg DHA per softgel from wild-caught Alaskan pollock, with an IFOS 5-Star rating and Marine Stewardship Council certification — and, critically, no fish burps.

Finally, creatine deserves its long-overdue moment in women's wellness. Thorne Creatine Monohydrate — 5 grams per serving, micronized for better mixability, NSF Certified for Sport — supports not just strength and recovery but emerging research around cognitive health. It's tasteless, single-ingredient, and built for consistency. Pair it with Momentous Grass-Fed Whey Isolate (30g protein, ultra-filtered, minimal lactose) for post-training recovery that doesn't taste like a compromise.

The bottom line: A smarter supplement routine isn't about taking more — it's about knowing exactly what you're missing and choosing products transparent enough to prove they actually deliver it.

Read the original at Women's Health Magazine.