The modern clean vitamin (Hiya) vs the nostalgic drugstore staple (Flintstones). Is paying 3x more worth avoiding artificial colors and sweeteners? We break down exactly what you get for the price difference.

Flintstones

Hiya
R3 Research Verdict
The modern clean vitamin (Hiya) vs the nostalgic drugstore staple (Flintstones). Is paying 3x more worth avoiding artificial colors and sweeteners? We break down exactly what you get for the price difference.
Research-backed recommendation
The $10/month difference between Hiya and Flintstones buys you: zero artificial colors, zero artificial sweeteners, third-party testing transparency, and bioavailable nutrient forms. Even with Hiya's 7.8/10 safety score (reflecting the 2024 testing controversy), it remains dramatically safer than Flintstones' 2.5/10. Over a year, that is $120 extra for significantly cleaner daily nutrition.
Quick summary of each product's strengths and weaknesses
Flintstones
Pros
Cons
Hiya
Pros
Cons
A quick breakdown of how these products compare head-to-head
Significant safety gap even with Hiya controversy
Flintstones contains petroleum-derived dyes
Significant difference for developing bodies
Transparency vs mystery
Bioavailable vs synthetic
Flintstones is 3x cheaper
Flintstones includes iron if needed
Convenience factor
Same convenience
Personalized recommendations based on your priorities


Detailed attribute-by-attribute breakdown
| Attribute | Flintstones | Hiya | Winner |
|---|---|---|---|
| Safety Score Significant safety gap even with Hiya controversy | 7.8/10 | 2.5/10 | Flintstones |
| Artificial Colors Flintstones contains petroleum-derived dyes | None | Red 40, Blue 2, Yellow 6 | Flintstones |
| Sweeteners Significant difference for developing bodies | Monk fruit (natural) | Aspartame (artificial) | Flintstones |
| Third-Party Testing Transparency vs mystery | Published results (Clean Label May 2025) | Not published | Flintstones |
| B Vitamin Forms Bioavailable vs synthetic | Methylfolate, Methylcobalamin | Folic acid, Cyanocobalamin | Flintstones |
| Monthly Cost Flintstones is 3x cheaper | $15 | $4.50 | Hiya |
| Iron Content Flintstones includes iron if needed | None (by design) | 18mg (100% DV) | Hiya |
| Availability Convenience factor | Online subscription | Every drugstore | Hiya |
| Daily Serving Same convenience | 1 chewable | 1 chewable | Tie |
Significant safety gap even with Hiya controversy
Flintstones contains petroleum-derived dyes
Significant difference for developing bodies
Transparency vs mystery
Bioavailable vs synthetic
Flintstones is 3x cheaper
Flintstones includes iron if needed
Convenience factor
Same convenience
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