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Amino acids and proteins

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  1. Be Levels 1
  2. Bonusan 17
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  9. Jarrow Formulas 30
  10. Lamberts 1
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  15. Immune system 8
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89 products
89 products
  1. L-Glutamine powder
    -19%
    Bonusan

    L-Glutamine powder

    200 g of powder
    Rating:
    97%
    $20.26 Msrp Price $25.04 As low as $19.45
  2. Lactoferrin 300 mg
    -19%
    Bonusan

    Lactoferrin 300 mg

    60 capsules
    Rating:
    100%
    (1)
    $79.61 Msrp Price $98.00 As low as $76.43
  3. S-adenosyl-methionine SAMe-400 complex
    -15%
    Bonusan

    S-adenosyl-methionine SAMe-400 complex

    30 vegetable capsules
    Rating:
    98%
    (8)
    $46.10 Msrp Price $54.40 As low as $44.26
  4. Lactoferrin
    -16%
    Jarrow Formulas

    Lactoferrin

    60 capsules
    Rating:
    100%
    $49.59 Msrp Price $59.18 As low as $47.61
  5. Lactoferrin
    -19%
    Bonusan

    Lactoferrin

    60 capsules (150mg)
    Rating:
    97%
    $44.06 Msrp Price $54.44 As low as $42.30
  6. Maximized L-Glutathione
    -29%
    Solgar

    Maximized L-Glutathione

    60 vegetable capsules of 250mg
    Rating:
    100%
    $70.50 Msrp Price $98.98 As low as $67.68
  7. Liposomal L-Glutathione and Vitamin C
    -18%
    Zenement

    Liposomal L-Glutathione and Vitamin C

    250 ml
    Rating:
    100%
    (1)
    $25.65 Msrp Price $31.11 As low as $24.62
  8. L-Tyrosine
    -13%
    Bonusan

    L-Tyrosine

    60 capsules of 400mg
    Rating:
    88%
    (5)
    $17.89 Msrp Price $20.68 As low as $17.17
  9. L-Tryptophan plus 500mg
    -16%
    Bonusan

    L-Tryptophan plus 500mg

    60 capsules of 500mg
    Rating:
    100%
    (3)
    $26.44 Msrp Price $31.57 As low as $25.38
  10. Taurine
    -14%
    Bonusan

    Taurine

    60 capsules of 600mg
    Rating:
    100%
    (1)
    $15.83 Msrp Price $18.50 As low as $15.20
  11. 5-Htp
    -26%
    Vbyotics

    5-Htp

    60 capsules
    Rating:
    100%
    (1)
    $23.32 Msrp Price $31.38 As low as $22.39
  12. L-Glutamine
    -19%
    Bonusan

    L-Glutamine

    60 capsules of 500mg
    Rating:
    99%
    $13.22 Msrp Price $16.32 As low as $12.69
  13. Phosphatidylserine 100mg with choline and inositol
    -17%
    NOW Foods

    Phosphatidylserine 100mg with choline and inositol

    60 capsules of 100mg
    Rating:
    95%
    (4)
    $27.35 Msrp Price $32.94 As low as $26.26
  14. L-Histidine HCl
    -29%
    Lamberts

    L-Histidine HCl

    30 capsules of 50mg
    Rating:
    100%
    (1)
    $19.35 Msrp Price $27.39 As low as $18.58
  15. Gsh Glutathione
    -19%
    Bonusan

    Gsh Glutathione

    60 capsules of 100mg
    Rating:
    100%
    (8)
    $26.89 Msrp Price $33.20 As low as $25.81
  16. S.O.D 2.000 Antiox
    -37%
    Estado Puro

    S.O.D 2.000 Antiox

    30 capsules
    Rating:
    92%
    (5)
    $18.68 Msrp Price $29.51 As low as $17.93
  17. L-Lysine Plus
    -16%
    Bonusan

    L-Lysine Plus

    60 tablets of 500mg
    Rating:
    80%
    (2)
    $17.44 Msrp Price $20.68 As low as $16.74
  18. L-Glutamine Pack
    -29%
    Bonusan

    L-Glutamine Pack

    2 units of 200g
    Rating:
    97%
    (7)
    $38.49 Msrp Price $54.23
  19. Pack 2x Lactoferrin
    -23%
    Bonusan

    Pack 2x Lactoferrin

    60 capsules (150mg)
    Rating:
    91%
    (7)
    $83.71 Msrp Price $109.34
  20. Glutavance
    -13%
    Inovance

    Glutavance

    150 g of powder
    Rating:
    93%
    (6)
    $26.39 Msrp Price $30.49 As low as $25.33
  21. Acetyl-L-Carnitine
    -19%
    SFI Health/Klaire Labs

    Acetyl-L-Carnitine

    90 vegetable capsules
    Rating:
    80%
    (1)
    $60.82 Msrp Price $75.11 As low as $58.39
  22. L-glutamine 1000mg
    -23%
    NOW Foods

    L-glutamine 1000mg

    120 capsules
    Rating:
    100%
    (2)
    $18.26 Msrp Price $23.58 As low as $17.53
  23. Taurine 1000Mg
    -18%
    Jarrow Formulas

    Taurine 1000Mg

    100 capsules
    Rating:
    100%
    (1)
    $12.01 Msrp Price $14.61 As low as $11.53
  24. Theanine 200Mg
    -27%
    Jarrow Formulas

    Theanine 200Mg

    60 vegetable capsules
    $22.65 Msrp Price $30.92 As low as $21.74
24 of 89 Items
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In Naturitas you will find the best amino acid and protein supplements

Amino acids are used by the body to produce proteins, which are involved in many functions such as repairing body tissues, increasing and preserving muscle mass, or maintaining bones.

Whether you are looking for a specific amino acid such as tryptophan, glutamine , L-carnitine , arginine or tyrosine, or if you prefer a protein compound, you will find them all in this section.

Looking for a quality amino acid and protein supplement? At Naturitas we have great brands in the sector such as Solgar, Gold Nutrition, Mega Plus, Lamberts and many more.

Place your order now and get free shipping on purchases over € 45!

Satisfied customers

4,63/5 - Excellent

Based on 136,627 reviews

"My experience as a customer has been very positive, promptness of response, manner of email communication, points programme." Victoria V. 14-01-2024
"I like ordering online, but I needed to place my order over the phone and the service was super friendly and efficient." Nati Z. 29-12-2023
"You do what is expected :) You sell quality products, the delivery is fast and of high quality. Excellent!" Miriam C. 29-11-2023
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"I have been trusting them for a long time, quality service and products at a good price and superb customer service." Helena G. 18-08-2023
"Really good, 100% recommendable. I made a mistake in an order and they solved it very quickly, very good service." Gemma P. 31-07-2023
"Good website, fast delivery, very good customer service department, good prices and a great range of products." Juan T. 12-07-2023
"Great variety and quality of products, fast delivery and great care in the packaging so that everything arrives in perfect condition." Lola D. 02-07-2023
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