Black Tea English Breakfast

beverage · 1 cup brewed (240ml)

Black Tea English Breakfast scores 48 on the Healthy Body Index, with its clearest signal on AMPK.

HBI score · Below average

Why it scores the way it does

Its strongest longevity signal is AMPK (6/10), backed by NRF2.
HBI uses best-of-top-3 scoring, so black tea english breakfast 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

6.0

NRF2

5.0

AUTOPHAGY

Autophagy

4.0

SIRT

Sirtuin

5.0

mTOR↓

mTOR

5.0

SENO

Senolytic activity

3.0

NAD+

3.0

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

theaflavinsthearubiginsquercetin glycosideskaempferolmyricetinquercetin glycosides (low)

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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