Iced Tea Unsweetened

beverage · 1 large glass / bottle (355ml)

Iced Tea Unsweetened scores 46 on the Healthy Body Index, with its clearest signal on mTOR↓.

HBI score · Below average

Why it scores the way it does

Its strongest longevity signal is mTOR↓ (6/10), backed by AMPK.
HBI uses best-of-top-3 scoring, so iced tea unsweetened is credited for the pathways it excels at.

Dimension breakdown

0–100 per dimension

Longevity

AMPK · NRF2

Micronutrient

density

Phytochemical

ORAC

Anti-inflammatory

DII

Gut microbiome

prebiotic

Cardiovascular

K:Na

Longevity pathway activation

0–10 per pathway

AMPK

5.0

NRF2

5.0

AUTOPHAGY

Autophagy

4.0

SIRT

Sirtuin

5.0

mTOR↓

mTOR

6.0

SENO

Senolytic activity

4.0

NAD+

2.0

TELO

Telomere

5.0

HBI uses best-of-top-3 scoring — a food is judged on the pathways it excels at, not diluted by the ones it doesn’t touch.

Key compounds

catechinstheaflavinsEGCG (trace in black tea)catechins (EGCG in green teatheaflavins in black)L-theanine

The evidence

Verified

Black tea consumption reduces total and LDL cholesterol in mildly hypercholesterolemic adults
The Journal of nutrition, Maron DJ et al., 2003
doi:10.1093/jn/133.10.3298S
The effects of L-theanine, caffeine and their combination on cognition and mood
Biological Psychology, Haskell CF et al., 2008
doi:10.1016/j.biopsycho.2007.09.008
Tea and cardiovascular disease
Pharmacological Research, Arab L et al., 2011
doi:10.1016/j.phrs.2011.03.009
L-Theanine, a natural constituent in tea, and its effect on mental state
Asia Pacific journal of clinical nutrition, Kimura K et al., 2008
L-theanine reduces psychological and physiological stress responses
Biological psychology, Kimura K et al., 2007
doi:10.1016/j.biopsycho.2006.06.006

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