• Text Resize: A  A

 Narrow your results:

More Ways To Browse

Specialty Diet Products

Price Range

Potency

Form

Source Naturals - Amino Acids

Source Naturals  / Amino Acids 
 - 31 items

Click the X to remove the selection.

Have you tried Source Naturals L-Theanine?

SN118 • 200 mg 60 Tabs

  • Helps support relaxation

  • Suitable for vegetarians

  • 200 mg per tablet

Overall Rating: (3) Read all reviews

Retail $30.50 $14.45 Add To Order
Products 1-25 of 31
Sort by:
Items shown:
L-Theanine
  • Source Naturals
  • L-Theanine
  • Item# SN118 • 200 mg 60 Tabs
  • Overall Rating of 5.0 out of 5.0  (3) 
  • In Stock , quick look 
    Save 53%
    Retail $30.50
    Swanson $14.45
    add to order
    L-Tryptophan
  • Source Naturals
  • L-Tryptophan
  • Item# SN119 • 500 mg 60 Caps
  • Overall Rating of 4.0 out of 5.0  (5) 
  • In Stock , quick look 
    Save 49%
    Retail $19.98
    Swanson $10.13
    add to order
    L-Arginine L-Citrulline Complex
  • Source Naturals
  • L-Arginine L-Citrulline Complex
  • Item# SN244 • 240 Tabs
  • Be the first to write a review 
  • In Stock , quick look 
    Save 49%
    Retail $55.98
    Swanson $28.55
    add to order
    L-Tryptophan
  • Source Naturals
  • L-Tryptophan
  • Item# SN389 • 500 mg 120 Caps
  • Overall Rating of 5.0 out of 5.0  (1) 
  • In Stock , quick look 
    Save 52%
    Retail $38.50
    Swanson $18.57
    add to order
    L-Arginine L-Citrulline Complex
  • Source Naturals
  • L-Arginine L-Citrulline Complex
  • Item# SN243 • 120 Tabs
  • Be the first to write a review 
  • In Stock , quick look 
    Save 49%
    Retail $28.98
    Swanson $14.77
    add to order
    Theanine Serene with Relora
  • Source Naturals
  • Theanine Serene with Relora
  • Item# SN364 • 60 Tabs
  • Overall Rating of 5.0 out of 5.0  (2) 
  • In Stock , quick look 
    Save 48%
    Retail $19.98
    Swanson $10.39
    add to order
    L-Arginine L-Citrulline Complex
  • Source Naturals
  • L-Arginine L-Citrulline Complex
  • Item# SN208 • 1,000 mg 60 Tabs
  • Be the first to write a review 
  • In Stock , quick look 
    Save 45%
    Retail $15.50
    Swanson $8.60
    add to order
    Theanine Serene
  • Source Naturals
  • Theanine Serene
  • Item# SN363 • 60 Tabs
  • Overall Rating of 5.0 out of 5.0  (3) 
  • In Stock , quick look 
    Save 47%
    Retail $17.50
    Swanson $9.28
    add to order
    L-Lysine
  • Source Naturals
  • L-Lysine
  • Item# SN247 • 1,000 mg 100 Tabs
  • Be the first to write a review 
  • In Stock , quick look 
    Save 50%
    Retail $11.50
    Swanson $5.71
    add to order
    DLPA
  • Source Naturals
  • DLPA
  • Item# SN338 • 750 mg 60 Tabs
  • Be the first to write a review 
  • In Stock , quick look 
    Save 49%
    Retail $17.98
    Swanson $9.17
    add to order
    L-Citrulline
  • Source Naturals
  • L-Citrulline
  • Item# SN298 • 500 mg 120 Caps
  • Be the first to write a review 
  • In Stock , quick look 
    Save 45%
    Retail $29.98
    Swanson $16.49
    add to order
    N-Acetyl L-Tyrosine
  • Source Naturals
  • N-Acetyl L-Tyrosine
  • Item# SN259 • 300 mg 60 Tabs
  • Overall Rating of 5.0 out of 5.0  (1) 
  • In Stock , quick look 
    Save 44%
    Retail $16.50
    Swanson $9.16
    add to order
    N-Acetyl Cysteine
  • Source Naturals
  • N-Acetyl Cysteine
  • Item# SN356 • 600 mg 120 Tabs
  • Be the first to write a review 
  • In Stock , quick look 
    Save 46%
    Retail $26.50
    Swanson $14.44
    add to order
    GABA
  • Source Naturals
  • GABA
  • Item# SN290 • 750 mg 90 Tabs
  • Be the first to write a review 
  • In Stock , quick look 
    Save 48%
    Retail $19.98
    Swanson $10.39
    add to order
    L-Tryptophan
  • Source Naturals
  • L-Tryptophan
  • Item# SN388 • 500 mg 60 Tabs
  • Be the first to write a review 
  • In Stock , quick look 
    Save 49%
    Retail $19.98
    Swanson $10.13
    add to order
    L-Arginine Free Form
  • Source Naturals
  • L-Arginine Free Form
  • Item# SN207 • 1,000 mg 100 Tabs
  • Be the first to write a review 
  • In Stock , quick look 
    Save 48%
    Retail $22.50
    Swanson $11.59
    add to order
    L-Theanine
  • Source Naturals
  • L-Theanine
  • Item# SN387 • 200 mg 60 Caps
  • Be the first to write a review 
  • In Stock , quick look 
    Save 51%
    Retail $31.50
    Swanson $15.35
    add to order
    GABA Calm Peppermint
  • Source Naturals
  • GABA Calm Peppermint
  • Item# SN291 • 120 Tabs
  • Overall Rating of 4.0 out of 5.0  (1) 
  • In Stock , quick look 
    Save 44%
    Retail $30.98
    Swanson $17.35
    add to order
    GABA Calm Orange Flavored
  • Source Naturals
  • GABA Calm Orange Flavored
  • Item# SN384 • 30 Tabs
  • Be the first to write a review 
  • In Stock , quick look 
    Save 39%
    Retail $8.75
    Swanson $5.34
    add to order
    GPLC GlycoCarn
  • Source Naturals
  • GPLC GlycoCarn
  • Item# SN342 • 30 Caps
  • Be the first to write a review 
  • In Stock , quick look 
    Save 48%
    Retail $24.98
    Swanson $13.11
    add to order
    BCAA
  • Source Naturals
  • BCAA
  • Item# SN189 • 120 Caps
  • Be the first to write a review 
  • In Stock , quick look 
    Save 44%
    Retail $19.98
    Swanson $11.19
    add to order
    GABA Calm
  • Source Naturals
  • GABA Calm
  • Item# SN239 • 30 Tabs
  • Be the first to write a review 
  • In Stock , quick look 
    Save 39%
    Retail $8.75
    Swanson $5.34
    add to order
    GABA
  • Source Naturals
  • GABA
  • Item# SN200 • 750 mg 180 Tabs
  • Be the first to write a review 
  • In Stock , quick look 
    Save 44%
    Retail $37.98
    Swanson $21.27
    add to order
    5-HTP
  • Source Naturals
  • 5-HTP
  • Item# SN374 • 100 mg 120 Caps
  • Be the first to write a review 
  • In Stock , quick look 
    Save 55%
    Retail $64.98
    Swanson $28.92
    add to order
    GABA
  • Source Naturals
  • GABA
  • Item# SN161 • 750 mg 45 Tabs
  • Be the first to write a review 
  • In Stock , quick look 
    Save 49%
    Retail $12.75
    Swanson $6.46
    add to order
    Products 1-25 of 31
    Page: 1 2