23
User score
Mostly positive100% positive0% mixed0% negative0% unclear
Of reports that state an outcome, 100% are positive.
Clinical research
Research pending
What Nano-Hydroxyapatite does, according to users
Of the people who reported each effect, the share who said it got better.
No specific effects reported yet.
betterno changeworse
What the research says
Systematic reviews and meta-analyses from PubMed, with their published conclusions.
Research data for Nano-Hydroxyapatite is being compiled.
Dosage people report
As stated by users — not a recommendation. Follow the label or your doctor.
3 yearsas reported
topical toothpaste nightlyas reported
Reported side effects
How often each side effect came up across all reports.
No side effects reported so far.
What users say
Verbatim quotes, shortened only — each links to the original discussion.
“I've been using Boka toothpaste with Nano- hydroxyapatite for 3 years and I've had cavities disappear.”
“Nano-hydroxyapatite can rebuild enamel and is available as an ingredient in many toothpastes. Anecdotally, I know someone who had incredibly soft teeth that would have cavities each dental visit, but has been using Novam”
More other
NSI-189
Other · 61 reports
87% report better mood
Mixed
Eggs
Other · 39 reports
100% report better mood
Mostly positive
Blackout Curtains
Other · 7 reports
100% report better sleep
Mostly positive
Sleep Mask
Other · 10 reports
89% report better sleep
Mostly positive
Sunscreen
Other · 26 reports
100% report better skin & hair
Mostly positive
Sardines
Other · 29 reports
100% report better energy
Mostly positive
User data from public discussions; research from PubMed. Information only, not medical advice — talk to a doctor before starting, stopping or combining anything. Data updated October 2, 2026. How we rate