Our story
Aging is inevitable. Feeling old doesn't have to be.
Kina exists because too many people accept fatigue, brain fog, and slow recovery as “just getting older.” We pair licensed clinicians with physician-formulated NAD+ so you can feel like yourself again.
Brand film still: people, candid, active
50%
NAD+ decline by your 40s compared to your 20s.
2,400+
people started care with Kina this month.
50
states where Kina provides licensed care.
What we stand on.
Science-led
NAD+ is backed by decades of research. We formulate with evidence, not trends.
Unhurried
No 7-minute visits. Care that listens, then keeps adjusting as you change.
Longevity-minded
We're not just managing today. We support your energy, focus, and resilience for the decades ahead.
The people behind Kina
Clinicians who get it.
Dr. Osei
Dr. Amara Osei, MD
Reproductive endocrinology
Dr. Whitfield
Dr. Lena Whitfield, MD
OB-GYN · NAMS-certified
NP Tanaka
Joy Tanaka, NP
Longevity & metabolic health
Dr. Raman
Dr. Priya Raman, MD
Internal medicine