SuppHelper
search
Home›Supplements›Amino Acid›Lysine›L-Lysine 500 mg Natural Factors
Product Image

L-Lysine 500 mg

Natural Factors
4.8
★ ★ ★ ★ ★
(1820 ratings)
Lysine 1000 mg
Product Image
Score 68

A high-dose 1000mg L-Lysine capsule from Natural Factors with a confusing product name, marked by a very high price per serving.

Quantity: 90 Capsule(s) • (45 servings)
Goals:
flag Skin Health
flag Hair Health
flag Immunity
flag Bone Health

leaderboard Score 68

A high-dose 1000mg L-Lysine capsule from Natural Factors with a confusing product name, marked by a very high price per serving.

Quantity: 180

insightsAnalysis

Natural Factors L-Lysine provides 1000mg of L-Lysine Hydrochloride per capsule, a substantial dose of this common and effective amino acid. The capsule form offers convenience for daily intake. The quantity of L-Lysine per capsule is higher than typical, which is useful for those with greater needs.

However, the product's value is significantly reduced by its very high price per serving compared to other 1000mg L-Lysine options. Furthermore, the discrepancy between the product name stating '500 mg' and the ingredient list showing '1000 mg' could lead to consumer confusion regarding the actual dosage being purchased.

thumb_upPros
  • Provides a higher 1000mg dosage of L-Lysine per capsule.
  • Contains L-Lysine Hydrochloride, a common and effective form.
  • Capsule form is convenient for consistent dosing.
  • Good number of customer reviews.
thumb_downCons
  • Very high price per serving, making it less economical.
  • Product name (500mg) conflicts with ingredient dosage (1000mg), causing confusion.
  • Lower number of servings (45) per container means more frequent repurchases.
warningWarnings
  • The dosage discrepancy on the label can be confusing; confirm actual dosage per capsule (1000mg as per ingredients).
  • Higher doses of L-Lysine may sometimes cause mild digestive discomfort in some individuals.
flagReport analysis
$8.39($0.18 per serving)
Vitacost
$ 8.39
Amazon
$ 9.07
iHerb
$ 9.07
flagReport prices

Ingredients

IngredientAmount per serving
L-Lysine
1000 mg
grain_off Gluten Free person Adults 18–50 eco Vegan free_breakfast Dairy Free Sugar Free eco Vegetarian
flagReport overview

Categories

Lysine 65
This Lysine product provides a high dose of L-Lysine Hydrochloride. However, its high price per serving and the label discrepancy make it a less attractive option compared to other Lysine supplements.
storefront View products

Goals

flag Hair Health 70
L-Lysine is an essential amino acid that contributes to the building blocks of proteins vital for hair health. The 1000mg dosage offers a strong contribution to this goal, though the value aspect is a consideration.
flag Immunity 70
L-Lysine may support various aspects of the immune system. This higher dose provides substantial L-Lysine, which can contribute to overall immune wellness.
flag Bone Health 70
L-Lysine is believed to help with calcium absorption, important for maintaining strong bones. The 1000mg dosage is effective for contributing to bone health, despite the product's overall cost.
inventory_2Recommended products
95 Value

L-Lysine 1000 mg

AN Amazing Nutrition Amazing Formulas
4.8
★★★★★
(325 ratings)
Delivering 1000mg of L-Lysine at an exceptional price of 5 cents per serving, this product offers vastly superior value for high-potency L-Lysine, making it a far more sensible choice.
Other sellers (1)
92 Value

L-Lysine 1000 mg

AN Amazing Nutrition Amazing Formulas
4.6
★★★★★
(4170 ratings)
With a 1000mg L-Lysine dose for 7 cents per serving, this provides a highly effective dosage at a very competitive price, offering excellent value for potency, making it a much more accessible choice.
Other sellers (1)
90 Value

L-Lysine 1000 mg

Solgar
4.7
★★★★★
(9838 ratings)
From the trusted Solgar brand, this product offers a 1000mg dose for 9 cents per serving in a large 250-count bottle, providing strong value by combining reputable quality with a high dosage and reasonable cost per serving.
Other sellers (3)
95 Performance

L-Lysine 1000 mg

Solgar
4.7
★★★★★
(9838 ratings)
This Solgar product provides the same 1000mg dose from a highly reputable brand known for exceptional quality and consistency, which is often preferred by consumers, and at a significantly better price.
Other sellers (3)
93 Performance

L-Lysine Beta Glucan 1000 mg

Solaray
4.7
★★★★★
(584 ratings)
This Solaray product enhances the 1000mg L-Lysine dose with Beta Glucan for additional immune support, offering a more comprehensive and synergistic approach, despite its own high price point.
Other sellers (2)
90 Performance

L-Lysine 1000 mg

Country Life
4.7
★★★★★
(391 ratings)
This Country Life alternative includes Vitamin B6 alongside the 1000mg L-Lysine, which can support amino acid metabolism, making it a slightly more complete formulation at a better value.
Other sellers (0)
95 Budget

L-Lysine 500 mg

NOW
4.9
★★★★★
(441 ratings)
Offers a 500mg dose for 4 cents per serving, meaning two capsules (1000mg) would still be significantly cheaper at 8 cents, providing vastly superior cost-effectiveness.
Other sellers (1)
92 Budget

L-Lysine 1000 mg

AN Amazing Nutrition Amazing Formulas
4.8
★★★★★
(325 ratings)
Delivers a direct 1000mg L-Lysine dose at a remarkably low 5 cents per serving, representing a far more economical choice for high-potency Lysine.
Other sellers (1)
90 Budget

L-Lysine 1000 mg

AN Amazing Nutrition Amazing Formulas
4.6
★★★★★
(4170 ratings)
This alternative provides a full 1000mg L-Lysine dose for 7 cents per serving, making it substantially more affordable than the analyzed product while providing the same effective potency.
Other sellers (1)
95 Value

L-Lysine 1000 mg

AN Amazing Nutrition Amazing Formulas
4.8
★★★★★
(325 ratings)
Delivering 1000mg of L-Lysine at an exceptional price of 5 cents per serving, this product offers vastly superior value for high-potency L-Lysine, making it a far more sensible choice.
Other sellers (1)
92 Value

L-Lysine 1000 mg

AN Amazing Nutrition Amazing Formulas
4.6
★★★★★
(4170 ratings)
With a 1000mg L-Lysine dose for 7 cents per serving, this provides a highly effective dosage at a very competitive price, offering excellent value for potency, making it a much more accessible choice.
Other sellers (1)
90 Value

L-Lysine 1000 mg

Solgar
4.7
★★★★★
(9838 ratings)
From the trusted Solgar brand, this product offers a 1000mg dose for 9 cents per serving in a large 250-count bottle, providing strong value by combining reputable quality with a high dosage and reasonable cost per serving.
Other sellers (3)
95 Performance

L-Lysine 1000 mg

Solgar
4.7
★★★★★
(9838 ratings)
This Solgar product provides the same 1000mg dose from a highly reputable brand known for exceptional quality and consistency, which is often preferred by consumers, and at a significantly better price.
Other sellers (3)
93 Performance

L-Lysine Beta Glucan 1000 mg

Solaray
4.7
★★★★★
(584 ratings)
This Solaray product enhances the 1000mg L-Lysine dose with Beta Glucan for additional immune support, offering a more comprehensive and synergistic approach, despite its own high price point.
Other sellers (2)
90 Performance

L-Lysine 1000 mg

Country Life
4.7
★★★★★
(391 ratings)
This Country Life alternative includes Vitamin B6 alongside the 1000mg L-Lysine, which can support amino acid metabolism, making it a slightly more complete formulation at a better value.
Other sellers (0)
flagReport alternatives

SuppHelper

Compare supplements smarter. Science-backed, user-rated, updated daily.

Explore

  • Compare Supplements
  • Health Goals
  • Stacks

Legal

  • Privacy Policy
  • Terms of Use
  • Medical Disclaimer

Stay in the Loop

© 2025 SuppHelper. All rights reserved.