Need some help ?
ONLY IN THE APP! -5% discount with no minimum. Coupon: APPLOVERS

Amino acids and proteins

Read more
Read more

Filter By

Sort By

66 products
Filter By
Brand
  1. A.Vogel 1
  2. Airbiotic 1
  3. Be Levels 1
  4. Bonusan 1
  5. Carlson Labs 1
  6. Codival 1
  7. Direct Nutrition 1
  8. Doctor's Best 1
  9. Egle 1
  10. Equisalud 3
  11. Esteve 1
  12. Fepa 1
  13. Hcf 1
  14. Health in Foods 1
  15. Jarrow Formulas 8
  16. Kal 1
  17. Lamberts 5
  18. Named 2
  19. Nature Essential 1
  20. Naturtierra 2
  21. NOW Foods 3
  22. NPro 1
  23. NutraVit 1
  24. Nutri-Force 1
  25. Pediakid 1
  26. Plannatur 1
  27. Sesderma 1
  28. SFI Health/Klaire Labs 1
  29. Solaray 3
  30. Solgar 2
  31. Soria Natural 1
  32. Sotya 1
  33. STC Nutrition 1
  34. Sura Vitasan 2
  35. Swanson 7
  36. Vbyotics 1
  37. Vecos 1
  38. Zenement 1
  39. Zeutics by Naturitas 1
Discount
  1. 10% 25
  2. 20% 19
  3. 30% 16
  4. 40% 2
  5. 50% 1
Flags
  1. 100% natural 3
  2. Additives free 1
  3. Allergens free 4
  4. BIO-ECO 1
  5. Colorants free 9
  6. Crustaceans free 8
  7. Egg free 9
  8. Gluten free 39
  9. Keto 1
  10. Kosher 1
  11. Lactose free 29
  12. No artificial aromas 3
  13. No artificial colors 4
  14. No artificial flavors 3
  15. No sweeteners 1
  16. Preservatives free 6
  17. Salt free 4
  18. Soy free 16
  19. Sugarfree 10
  20. Vegan 25
  21. Vegetarian 15
  22. Without milk 3
  23. Yeast free 5
Flavors
  1. Blueberries 1
  2. Lemon 1
Price
3
Uses
3
  1. Allergy 1
  2. Analgesic 1
  3. Anti-aging 2
  4. Antibacterial 1
  5. Antioxidant 31
  6. Antiviral 2
  7. Appetite stimulant 1
  8. Blood pressure 15
  9. Bone support 3
  10. Brain activity 33
  11. Cardiovascular 9
  12. Cartilage 1
  13. Circulation 1
  14. Concentration 10
  15. Detox 12
  16. Digestion and transit 10
  17. Emotional balance 4
  18. Emotional health 13
  19. Energy 17
  20. Exercise recovery 8
  21. Exercise resistance 11
  22. Fat burner 13
  23. Glucose control 3
  24. Gut flora 5
  25. Hair 2
  26. Hormonal regulation 2
  27. Immune system 28
  28. Increase muscle mass 36
  29. Intestinal transit 6
  30. Joints and tendons 1
  31. Joints, bones and muscles 35
  32. Libido and aphrodisiac 1
  33. Liver and liver function 18
  34. Memory and cognitive functions 11
  35. Menopause 1
  36. Menstruation 3
  37. Migraines 1
  38. Muscle Fatigue 8
  39. Muscle Mass Maintenance 23
  40. Physical performance 51
  41. Prostate 1
  42. Protective 1
  43. Red blood cell production 1
  44. Relaxing 8
  45. Resistance and vitality 21
  46. Rest and well-being 43
  47. Satiating 12
  48. Sexual dysfunction 1
  49. Sexual health and fertility 1
  50. Skin 3
  51. Skin, Hair and Nails 5
  52. Sleep 4
  53. Urinary tract infection 3
  54. Vasodilator 1
  55. Vision 3
  56. Weight control 14
Sort By
  1. Popularity
  2. Price: from low to high
  3. Price: from high to low
  4. Newest
  1. Brain activity
  2. Resistance and vitality
  3. Detox
66 products
66 products
  1. NPro Regenintest (intestinal regeneration)
    -14%
    NPro

    NPro Regenintest (intestinal regeneration)

    167 g of powder (Blueberries)
    Rating:
    96%
    $42.11 Msrp Price $48.73 As low as $40.29
  2. Pediakid omega 3 jelly beans (lemon flavor)
    -18%
    Pediakid

    Pediakid omega 3 jelly beans (lemon flavor)

    60 Jelly beans (Lemon)
    Rating:
    100%
    (3)
    $11.38 Msrp Price $13.83 As low as $10.89
  3. Glutaredox reduced glutathione
    -18%
    Named

    Glutaredox reduced glutathione

    30 Sublingual pills
    $34.50 Msrp Price $41.93 As low as $33.01
  4. Veg-Omega 3 Complex
    -18%
    A.Vogel

    Veg-Omega 3 Complex

    30 capsules
    Rating:
    92%
    (5)
    $14.98 Msrp Price $18.35 As low as $14.33
  5. 5HTP + B6 + Biotin
    -32%
    Sotya

    5HTP + B6 + Biotin

    60 capsules of 720mg
    Rating:
    92%
    $8.86 Msrp Price $13.06 As low as $8.47
  6. L-Glutamine
    -29%
    Sura Vitasan

    L-Glutamine

    50 capsules of 500mg
    Rating:
    96%
    (5)
    $14.73 Msrp Price $20.75 As low as $14.09
  7. Maximized L-Glutathione
    -29%
    Solgar

    Maximized L-Glutathione

    60 vegetable capsules of 250mg
    Rating:
    100%
    $70.52 Msrp Price $98.98 As low as $67.49
  8. L-Glutamine Pack
    -29%
    Bonusan

    L-Glutamine Pack

    2 units of 200g
    Rating:
    97%
    (7)
    $38.51 Msrp Price $54.23
  9. L-Tyrosine, 500mg
    -25%
    Swanson

    L-Tyrosine, 500mg

    100 capsules
    Rating:
    100%
    (6)
    $7.34 Msrp Price $9.84 As low as $7.03
  10. Ultra GABA Maximum Strength
    -41%
    Swanson

    Ultra GABA Maximum Strength

    60 vegetable capsules of 750mg
    Rating:
    100%
    (3)
    $7.79 Msrp Price $13.18 As low as $7.46
  11. Acetyl L-carnitine
    -20%
    NOW Foods

    Acetyl L-carnitine

    100 vegetable capsules
    $20.58 Msrp Price $25.65 As low as $19.70
  12. Acetyl-L-Carnitine
    -19%
    SFI Health/Klaire Labs

    Acetyl-L-Carnitine

    90 vegetable capsules
    Rating:
    80%
    (1)
    $60.84 Msrp Price $75.11 As low as $58.22
  13. GABA, 500mg
    -43%
    Swanson

    GABA, 500mg

    100 capsules
    Rating:
    91%
    $6.67 Msrp Price $11.75 As low as $6.38
  14. TMG (Trimethylglycine), 500mg
    -22%
    Swanson

    TMG (Trimethylglycine), 500mg

    90 capsules
    Rating:
    100%
    (8)
    $7.60 Msrp Price $9.79 As low as $7.28
  15. N-Acetyl Tyrosine 350Mg
    -26%
    Jarrow Formulas

    N-Acetyl Tyrosine 350Mg

    120 capsules
    $17.10 Msrp Price $23.18 As low as $16.37
  16. Theanine 200Mg
    -27%
    Jarrow Formulas

    Theanine 200Mg

    60 vegetable capsules
    $22.66 Msrp Price $30.92 As low as $21.69
  17. tryptophan + ashwagandha
    -11%
    Naturtierra

    tryptophan + ashwagandha

    30 tablets
    Rating:
    93%
    (3)
    $6.91 Msrp Price $7.79 As low as $6.60
  18. Glycine
    Zeutics by Naturitas

    Glycine

    200 g of powder
    Rating:
    97%
    (7)
    $21.31 Msrp Price $21.73 As low as $18.54
  19. nac 600 immune system
    -25%
    Solaray

    nac 600 immune system

    60 vegetable capsules
    Rating:
    100%
    (1)
    $16.90 Msrp Price $22.47 As low as $16.18
  20. Pure L-Carnitine
    Vecos

    Pure L-Carnitine

    160 capsules
    $19.91 Msrp Price $21.77 As low as $19.06
  21. Acetyl-L-Carnitine 500 mg
    -30%
    NOW Foods

    Acetyl-L-Carnitine 500 mg

    50 vegetable capsules
    Rating:
    100%
    (1)
    $11.52 Msrp Price $16.55 As low as $11.02
  22. Vigoranat maca
    -20%
    Naturtierra

    Vigoranat maca

    30 capsules
    Rating:
    20%
    (1)
    $6.67 Msrp Price $8.33 As low as $6.38
  23. L-Carnitine
    -21%
    Zenement

    L-Carnitine

    180 capsules
    $19.23 Msrp Price $24.37 As low as $18.40
  24. Gabavit
    -13%
    NutraVit

    Gabavit

    60 capsules of 720mg
    $23.47 Msrp Price $27.01 As low as $22.45
24 of 66 Items
Page

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
"I rely on them for much of my monthly shopping, they are fast and offer good prices." Lucía G. 21-10-2023
"Excellent! It's my trustworthy shop to find all the products I'm looking for, good prices and easiness of ordering and shipping." Laura M. 23-08-2023
"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
"Fast delivery, quality products and a willingness to resolve any issues that may arise." Mar O. 24-06-2023