L-Lysine is an essential amino acid, which means your body cannot manufacture it. It must be obtained through the diet or by supplementation. Lysine is one of the most well known amino acids and is an essential component of all proteins.

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Lysine may help prevent and relieve cold sores (herpes)

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Quality is truly job one at Now Foods. GMP Certification is only one of the Quality Standards utilized by Now.

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Item#

Brand

Name

Size

Form

Retail

Price

85943

Now

L Lysine 1000mg

100

Tablet

$11.99

$6.95

287

Twinlab

L Lysine 500mg

100

Capsule

$12.95

$5.95

19010

Now

L Lysine 500mg

100

Capsule

$7.99

$4.60

3797

Now

L Lysine 500mg

250

Capsule

$16.99

$9.79

19052

Now

L Lysine 500mg

250

Tablet

$11.99

$8.85

1932

Now

L Lysine Powder

1

Pound

$21.99

$10.99

3980

Now

Tri-Amino

120

Capsule

$17.99

$10.65