Shen energy is the light representing personal radiance.

Chi energy is the flame representing daily energy.

Jing energy is the candle representing long-term energy.

Classification of 2000 Herbs by Function

100 (5%) Superior Herbs
(tonic, nourishing)

• Long-term use for life
• Must promote longevity
• No side effects
• Nourishes, strengthen and builds the three energies

100 (5%) General Herbs
(regulate, balance, support)

• Long-term use only when used with superior herbs
• Short-term use when used alone
• Have side effects when used alone

1800 (90%) Inferior Herbs
(poisons, medicinal)

• Short-term use for acute conditions
• Overrule the body's functions
• Have toxic side effects
• Should be taken only with supervision of health care practitioners

None of the formulas recommended by John contain inferior herbs.