74
/ 100
Mostly True
North America
The text discusses the botanical classification and historical uses of damiana, its caffeine-free status confirmed by 2026 NMR analyses, and comparisons with other plants like Chrysactinia mexicana.
Infact verdict: Mostly True (74/100).
The claims about damiana's classification, historical uses, and caffeine-free status are supported by reliable sources. Damiana is indeed classified within the Passifloraceae family, and its historical use by the Mayans is partially corroborated. The 2026 NMR analysis confirming damiana as caffeine-free is well-documented. However, the claim about Chrysactinia mexicana requiring fourfold higher dosing than damiana is contradicted by evidence suggesting a threefold difference.
How is this score determined? →Individual claims
91
True
Science
Damiana is classified within Passifloraceae, subfamily Turneroideae.
Damiana, scientifically known as Turnera diffusa, is classified within the Passifloraceae family. This classification is supported by multiple reliable sources, including Wikipedia and UTEP's herbal safety page.
Fact Check Score
None
Fact Check Weight
0
Web Consensus Score
90
Web Consensus Weight
40
Source Quality Score
85
Source Quality Weight
20
Llm Reasoning Score
80
Llm Reasoning Weight
40
Llm Reasoning Score Raw
80
Weighted Total
91
Evidence Summary
Multiple reliable sources confirm classification.
52
Mixed
History
Damiana was used by the ancient Mayan civilization for respiratory distress, giddiness, and nervous debility.
Evidence supports the use of damiana by the Mayans for giddiness and as an aphrodisiac, but not specifically for respiratory distress or nervous debility. The claim is partially supported.
Fact Check Score
None
Fact Check Weight
0
Web Consensus Score
50
Web Consensus Weight
40
Source Quality Score
60
Source Quality Weight
20
Llm Reasoning Score
50
Llm Reasoning Weight
40
Llm Reasoning Score Raw
50
Weighted Total
52
Evidence Summary
Partial support for Mayan use, not all claimed uses.
90
True
History
Damiana was introduced to North American eclectic medicine in 1874.
The introduction of damiana to North American eclectic medicine in 1874 is well-documented by reliable sources, including Henriette's Herbal Homepage and Wikipedia.
Fact Check Score
None
Fact Check Weight
0
Web Consensus Score
85
Web Consensus Weight
40
Source Quality Score
85
Source Quality Weight
20
Llm Reasoning Score
80
Llm Reasoning Weight
40
Llm Reasoning Score Raw
80
Weighted Total
90
Evidence Summary
Well-documented introduction to eclectic medicine.
92
True
Science
2026 NMR analyses confirmed that true damiana is 100% caffeine-free.
The 2026 NMR analysis confirming damiana as caffeine-free is supported by multiple sources, including a publication in Planta Medica. This provides strong evidence for the claim.
Fact Check Score
None
Fact Check Weight
0
Web Consensus Score
90
Web Consensus Weight
40
Source Quality Score
90
Source Quality Weight
20
Llm Reasoning Score
85
Llm Reasoning Weight
40
Llm Reasoning Score Raw
85
Weighted Total
92
Evidence Summary
Multiple sources confirm caffeine-free status.
44
Mixed
Health
Chrysactinia mexicana requires fourfold higher dosing than damiana to reverse male reproductive exhaustion.
Evidence indicates that Chrysactinia mexicana requires a threefold higher dose than damiana, not fourfold, to reverse male reproductive exhaustion. This contradicts the claim.
Fact Check Score
None
Fact Check Weight
0
Web Consensus Score
40
Web Consensus Weight
40
Source Quality Score
50
Source Quality Weight
20
Llm Reasoning Score
40
Llm Reasoning Weight
40
Llm Reasoning Score Raw
40
Weighted Total
44
Evidence Summary
Contradicted by evidence indicating threefold dosing.
