Sarah Thompson, Registered Dietitian (Vitamins & Minerals)

As a registered dietitian, Sarah Thompson takes charge of covering the topic of vitamins and minerals on UsefulVitamins.com. Her articles focus on the importance of essential vitamins and minerals for overall health, exploring their roles in the body and their food sources. Sarah's practical tips and evidence-based recommendations help readers understand how to meet their nutritional needs through diet and potentially supplementing when necessary.

Needed vs FullWell Prenatal: Which Premium Prenatal Wins?

Bottom line These two are close enough that price breaks the tie. FullWell wins for most people on cost, running about $1.67 a serving versus around $2.10 for Needed. Needed edges ahead only if you want more choline or the option to split the dose across the day. Best for: Anyone who wants a full-dose, […]

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Is Natural Vitality Calm Worth It? A Magnesium Powder Review

Bottom line Natural Vitality Calm is a good, fairly priced magnesium citrate powder for relaxation and occasional constipation, but citrate’s laxative pull means it is the wrong form for nightly use if you have a sensitive gut. If you mainly want sleep and calm without loose stools, a magnesium glycinate is the smarter buy. Best

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Magnesium Breakthrough vs Thorne: Best Value 2026

Bottom line For most people who just want magnesium that absorbs well and is gentle on the gut, Thorne Magnesium Bisglycinate is the smarter buy. Magnesium Breakthrough’s seven forms are a marketing story more than a proven absorption upgrade, and its 500 mg dose is higher than most people need before bed. Best for: Thorne

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Is Magnesium Breakthrough Worth It? An Honest Cost-and-Forms Breakdown

📚 Researched & cited by UV Editorial Team Independently reviewed · Last updated: June 1, 2026 · Our research methodology → Bottom line For most people, no. Magnesium Breakthrough gives you a real 500 mg of elemental magnesium per serving, but the seven-forms pitch is mostly marketing, and you pay a steep premium for it.

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