What are the most trusted vitamins and supplements?
Vitamins & SupplementsNamed in 4 of 6 answers
#4
42.9
Rank by surface
Gemini#3
ChatGPT#3
Google AI Mode#10
Google AI Overviews#14
Brand profile
A specific certification mark from NSF International, ensuring sports supplements are free of banned substances and tested for contaminants.
4 questions · 4 categories · As of Nov 12, 2026
| Categories | Category rank | Questions | Score |
|---|---|---|---|
| Vitamins & Supplements | #23of 190 | 1 | 42.9 |
| Inner Beauty | #27of 69 | 1 | 15.8 |
| Sports Nutrition | #32of 242 | 1 | 38.5 |
| Fitness & Training Services | #468of 552 | 1 | 6.9 |
Brands named in the same answers as NSF Certified for Sport in the last four weeks, counted in answers.
| Brand | Answers naming the brand | Named alongside |
|---|---|---|
| Nature Made | 19 | Thorne (15), Kirkland Signature (11), Pure Encapsulations (11) |
| USP | 15 | NSF International (14), ConsumerLab (11), Thorne (9) |
| NOW Foods | 14 | Nature Made (9), Kirkland Signature (8), Pure Encapsulations (7) |
| NSF International | 15 | USP (14), ConsumerLab (11), Thorne (9) |
| Kirkland Signature | 14 | Nature Made (11), NOW Foods (8), Thorne (8) |
| Nordic Naturals Ultimate Omega | 7 | Carlson Very Finest Fish Oil (6), Thorne Vitamin D/K2 Liquid/Capsules (1), Pure Encapsulations (1) |
| Thorne | 17 | Nature Made (15), Pure Encapsulations (12), Garden of Life (9) |
| Nature Made Prenatal Multi + DHA | 6 | Ritual Essential Prenatal (5), Thorne Basic Prenatal (3) |
| ConsumerLab | 12 | USP (11), NSF International (11), Pure Encapsulations (8) |
| Pure Encapsulations | 13 | Thorne (12), Nature Made (11), ConsumerLab (8) |
| Culturelle | 6 | Seed DS-01 (5), Ritual Synbiotic+ (3), NOW Foods (1) |
| Nature Made D3 | 4 | Pure Encapsulations Vitamin D3 (3), Thorne Vitamin D/K2 Liquid/Capsules (2) |
| Carlson Very Finest Fish Oil | 6 | Nordic Naturals Ultimate Omega (6) |
| Life Extension | 9 | Kirkland Signature (7), Nature Made (7), Thorne (6) |
| Seed DS-01 | 5 | Culturelle (5), Ritual Synbiotic+ (3) |
| Centrum Silver Adults 50+ multivitamin | 5 | Thorne (5), Nature Made (4), USP (4) |
| Ritual Essential Prenatal | 5 | Nature Made Prenatal Multi + DHA (5), Thorne Basic Prenatal (3) |
| Nutricost | 4 | NOW Foods (4), Kirkland Signature (4), Doctor’s Best (3) |
| Thorne Magnesium Bisglycinate | 4 | Pure Encapsulations Magnesium Glycinate (3), USP (3), NSF International (3) |
| Pure Encapsulations Magnesium Glycinate | 4 | USP (4), NSF International (4), ConsumerLab (3) |
| Thorne Vitamin D/K2 Liquid/Capsules | 4 | Pure Encapsulations Vitamin D3 (3), Pure Encapsulations (2), Nature Made D3 (2) |
| Pure Encapsulations Vitamin D3 | 4 | Thorne Vitamin D/K2 Liquid/Capsules (3), Nature Made D3 (3), NOW Foods (1) |
| NSF Certified for Sport | 7 | USP (5), Kirkland Signature (4), Pure Encapsulations (4) |
| Garden of Life | 9 | Thorne (9), Nature Made (8), Pure Encapsulations (7) |
| Nature Made Multi Complete | 2 | Hiya Kids Daily Multivitamin (1) |
| Hiya Kids Daily Multivitamin | 5 | Nature Made Multi Complete (1) |
| Ritual Synbiotic+ | 3 | Seed DS-01 (3), Culturelle (3) |
| Doctor’s Best | 4 | NOW Foods (4), Nutricost (3), Kirkland Signature (3) |
| Nordic Naturals | 9 | Pure Encapsulations (8), Thorne (8), Nature Made (8) |
| Thorne Basic Prenatal | 3 | Nature Made Prenatal Multi + DHA (3), Ritual Essential Prenatal (3) |
Sites the answers naming this brand cited in the last four weeks. Counts are citing answers.
| Rank | Source | Citing answers |
|---|---|---|
| 1 | forbes.com | 4 |
| 2 | garagegymreviews.com | 3 |
| 3 | reddit.com | 3 |
| 4 | youtube.com | 3 |
| 5 | nsf.org | 3 |
| 6 | amazon.com | 2 |
| 7 | healthline.com | 2 |
| 8 | kleanathlete.com | 2 |
| 9 | nowfoods.com | 2 |
| 10 | optimumnutrition.com | 2 |
For the brand's best questions: of each surface's 1 answers, how many named it.
| Questions | ||||||
|---|---|---|---|---|---|---|
| 1What are the most trusted vitamins and supplements? | 1 | 1 | 0 | 1 | 1 | 0 |
| 2What are the best sports nutrition products? | 1 | 0 | 1 | 1 | 0 | 0 |
| 3What are the best collagen powders? | 1 | 0 | 0 | 0 | 0 | 0 |
| 4Which fitness and training brands are the most trusted? | 0 | 0 | 0 | 1 | 0 | 0 |
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