Meet Healthline’s team of supplement testers, ranging from vitamin newbies to experienced users, who have tried scores of products from top brands.
Our editors then carefully select the best options before they reach our testers, who apply the same level of scrutiny in their reviews.
Our testers deliver thorough, honest, and helpful feedback for all supplements they test.
Over the years, we’ve reviewed dozens of supplements from top brands, choosing the best vitamins and minerals for a variety of people and health goals.
Our tester badges help you identify the type of tester reviewing each product. Look for them in our product photos.
Vitamin, mineral, and supplement testers by category
Tester: Kelli McGrane, MS, RD
Credentials: registered dietitian and cookbook author
Age: 30s
Types of supplements: protein powders, creatine, multivitamins, prenatals, greens powders, vitamin D
Health focus: maintaining weight, pregnancy, general well-being
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Tester: Catherine Conelly
Age: 30s
Types of supplements: prenatals, multivitamins, omega oils, electrolytes, magnesium, vitamin D
Health focus: pregnancy, postpartum, and breastfeeding
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Tester: Kristin Currin
Age: 40s
Types of supplements: multivitamins, probiotics, fish oils, greens powders, turmeric, vitamin D
Health focus: gut health, anxiety, focus, energy, inflammation
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Tester: Alice Porter-McLaughlin
Age: 30s
Types of supplements: probiotics, multivitamins, protein powders, greens powders, omega oils
Health focus: vegan nutrition, breastfeeding, fitness, gut health, brain health
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Tester: Rita Mauceri
Age: 50s
Types of supplements: multivitamins, probiotics, fish oil, collagen
Health focus: sleep health, skin health, stress management, gut health, healthy ageing, brain health
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Tester: Jacob Moore
Age: 20s
Types of supplements: protein powders, collagen, creatine, fish oil, multivitamins, electrolytes
Health focus: muscle building, athletic performance, brain health
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Tester: Chelsea Logan
Age: 30s
Types of supplements: protein powders, iron, omega oils, multivitamins, vitamin D, vitamin B12
Health focus: vegan nutrition, energy and stamina, overall wellness
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