Signos is the first FDA-cleared CGM-based weight loss platform, founded in 2018. It uses real-time glucose data and AI to personalize food and exercise guidance for weight management.
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See all ads on AdLibrary →Signos is a Los Altos, CA-based digital health company founded in 2018 by Sharam Fouladgar-Mercer. The platform pairs a continuous glucose monitor (CGM) with an AI app to provide personalized weight management guidance based on real-time glucose responses to food and exercise. In 2025, Signos received FDA clearance as the first CGM system specifically indicated for weight management.
Signos ads exploit the curiosity hook of personal glucose data — 'see exactly how your body responds to the foods you eat.' Food-specific creatives ('why rice spikes your blood sugar but sweet potatoes don't') generate high engagement. The FDA-cleared weight management claim, after 2025 clearance, became a powerful credibility anchor. See Signos ads on AdLibrary.
Meta campaigns target weight loss seekers, metabolic health enthusiasts, pre-diabetics, and biohackers. Food-response creative ('Your CGM data after eating X') is among the highest-engagement formats because it generates personal relevance. Before/after weight loss testimonials are standard conversion assets. Retargeting sequences move trial-curious users toward subscription commitment.
Core hooks: 'Stop guessing. See exactly what your body does with food,' 'Lose weight by understanding your glucose,' and 'FDA-cleared weight loss guidance.' Personalization angles ('not every diet works for every body') resonate with frustrated repeat dieters. Scientific credibility is balanced with accessible messaging for non-diabetic consumers.
Signos demonstrates how a specific, measurable data insight ('your glucose response to food') can be a powerful ad hook. The promise of personalized, real-time data answers the most common weight loss frustration ('I do everything right but nothing works') with a concrete mechanism. For health tech brands, leading with the insight rather than the device drives stronger top-of-funnel engagement.
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