Supplements Vendors Losing in AI Search

15 supplements brands that ChatGPT, Claude, Perplexity and Gemini aren't citing when real buyers ask — last 90 days. How we measure this.

#	Vendor	Loss rate	Losing on
1	Care/of takecareof.com 0/31 probes cited	100%	"best multivitamin brands" → thorne.com "AG1 alternatives" → drinkag1.com "best supplements for energy" → health.harvard.edu	Claim Care/of
2	Momentous livemomentous.com 0/31 probes cited	100%	"best multivitamin brands" → thorne.com "AG1 alternatives" → drinkag1.com "best supplements for energy" → health.harvard.edu	Claim Momentous
3	Seed seed.com 0/31 probes cited	100%	"best multivitamin brands" → thorne.com "AG1 alternatives" → drinkag1.com "best supplements for energy" → health.harvard.edu	Claim Seed
4	Huel huel.com 0/31 probes cited	100%	"best multivitamin brands" → thorne.com "AG1 alternatives" → drinkag1.com "best supplements for energy" → health.harvard.edu	Claim Huel
5	Klean Athlete kleanathlete.com 0/31 probes cited	100%	"best multivitamin brands" → thorne.com "AG1 alternatives" → drinkag1.com "best supplements for energy" → health.harvard.edu	Claim Klean Athlete
6	Olly olly.com 0/31 probes cited	100%	"best multivitamin brands" → thorne.com "AG1 alternatives" → drinkag1.com "best supplements for energy" → health.harvard.edu	Claim Olly
7	Transparent Labs transparentlabs.com 0/31 probes cited	100%	"best multivitamin brands" → thorne.com "AG1 alternatives" → drinkag1.com "best supplements for energy" → health.harvard.edu	Claim Transparent Labs
8	Onnit onnit.com 1/31 probes cited	97%	"best multivitamin brands" → thorne.com "AG1 alternatives" → drinkag1.com "best supplements for energy" → health.harvard.edu	Claim Onnit
9	AG1 (Athletic Greens) drinkag1.com 3/31 probes cited	90%	"best multivitamin brands" → thorne.com "best supplements for energy" → health.harvard.edu "best vitamin brands 2026" → verywellfit.com	Claim AG1 (Athletic Greens)
10	NOW Foods nowfoods.com 4/31 probes cited	87%	"best multivitamin brands" → thorne.com "AG1 alternatives" → drinkag1.com "best supplements for energy" → health.harvard.edu	Claim NOW Foods
11	Pure Encapsulations pureencapsulations.com 4/31 probes cited	87%	"AG1 alternatives" → drinkag1.com "best supplements for energy" → health.harvard.edu "best vitamin brands 2026" → verywellfit.com	Claim Pure Encapsulations
12	Ritual ritual.com 5/31 probes cited	84%	"AG1 alternatives" → drinkag1.com "best supplements for energy" → health.harvard.edu "best vitamin brands 2026" → verywellfit.com	Claim Ritual
13	Life Extension lifeextension.com 6/31 probes cited	81%	"AG1 alternatives" → drinkag1.com "best supplements for energy" → health.harvard.edu "best vitamin brands 2026" → verywellfit.com	Claim Life Extension
14	Thorne thorne.com 7/31 probes cited	77%	"AG1 alternatives" → drinkag1.com "best supplements for energy" → health.harvard.edu "best vitamin brands 2026" → verywellfit.com	Claim Thorne
15	Garden of Life gardenoflife.com 12/31 probes cited	61%	"AG1 alternatives" → drinkag1.com "best supplements for energy" → health.harvard.edu "best vitamin brands 2026" → verywellfit.com	Claim Garden of Life

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What "losing" means here

We run real buyer-intent queries (like "best supplements software") against ChatGPT, Claude, Perplexity and Gemini on a rolling schedule. A vendor is "losing" when it's cited in fewer than 40% of its probes and has at least 5 probes on record. If you represent one of these brands, claim your listing to see the full list of losing queries and start weekly monitoring.