Essential Defense 30Tab by Metagenics

Essential Defense®

(formerly TCB 16)Herbal Support for Immune Function

Essential Defense† is a time-honored traditional Chinese formula used to promote healthy immune function.

Targeted first-line protection for a healthy immune response following sudden changes in weather and with the change of seasons.

Delivers select herbs traditionally used

to “clear heat” and soothe the throat.

A time-tested, powerful, synergistic herbal combination in convenient tablet form.


A 5:1 proprietary extract of:


A 5:1 proprietary extract of:

Lonicera Flower (Lonicera japonica)

Platycodon Root (Platycodon grandiflorum)

Great Burdock Fruit (Arctium lappa)

Chinese Mint Leaf (Mentha haplocalyx)

Chinese Licorice Root (Glycyrrhiza uralensis)

Fermented Soybean (Glycine max)

Schizonepeta Herb (Schizonepeta multifida)

Lophaterum Leaf (Lophaterum gracile)

Dyer’s Woad Root (Isatis tinctoria)

Ginger Rhizome (Zingiber officinale)


One to two tablets every half hour as needed.


30 Tablet Bottle

Dimensions: 2x3x4

Price: $18.25

Sku: ES007