L-Lysine 500 mg
Natural Factors
L-Lysine 500 mg
4.8
★ ★ ★ ★ ★
(1768 ratings)
Lysine 1000 mg
Score 68.0
A reliable L-Lysine supplement from a trusted brand with an effective dosage, but it offers less competitive value due to a higher price per serving.
Quantity: 90 Capsule(s)Servings size: 2 Vegetarian Capsule(s) (45 servings)
Selected goals:
Other goals:
Immunity
Skin Health
Hair Health
leaderboard Score 68.0
A reliable L-Lysine supplement from a trusted brand with an effective dosage, but it offers less competitive value due to a higher price per serving.
insights Analysis
Natural Factors L-Lysine is formulated to deliver 1000mg of L-Lysine Hydrochloride per serving, utilizing two 500mg capsules. This dosage is widely recognized by nutritionists and in online reviews for its efficacy in supporting immune health, particularly in managing cold sore outbreaks, and contributing to the formation of collagen for healthy skin and hair. While Natural Factors is a reputable brand, the cost of $0.20 per serving for this dose places it at a disadvantage compared to numerous alternatives that offer comparable or higher dosages at a lower price point, impacting its competitiveness in the market. Despite this, consumers generally report positive results consistent with L-Lysine's known benefits.
- Comes from Natural Factors, a well-regarded and reputable brand in the supplement industry.
- Provides an effective dosage of 1000mg of L-Lysine per serving, which is commonly recommended for its benefits.
- Utilizes L-Lysine Hydrochloride, a widely recognized and highly absorbable form of the amino acid.
- The price of $0.20 per serving is considerably higher than many alternative L-Lysine products that offer similar or even higher dosages.
- Requires taking two capsules per serving to achieve the 1000mg dose, which might be less convenient for some users.
- While L-Lysine is generally well-tolerated, high doses may cause mild gastrointestinal discomfort such as nausea or diarrhea.
- Individuals with kidney or liver conditions should consult a healthcare professional before taking L-Lysine supplements.
- Pregnant or nursing women should seek medical advice prior to use.
$9.07($0.20 per serving)
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bolt Effectiveness for goals
Lysine is commonly used to help prevent and treat cold sores, which are caused by the herpes simplex virus (HSV-1). Studies suggest it may interfere with the virus's ability to replicate, potentially by altering the balance of amino acids needed for viral growth. This action can lead to reduced frequency, severity, and healing time of outbreaks.
As an essential amino acid, Lysine is a fundamental building block for proteins in the body. It is crucial for the synthesis of collagen, which is vital for connective tissues like skin, bone, and cartilage. This role directly supports muscle repair and growth, especially after exercise.
Yes, Lysine is known to play a role in calcium absorption and retention within the body. It helps to transport calcium, making it more available for bone formation and maintenance. This property contributes to its potential benefit for overall bone health.
Some preliminary research suggests that Lysine may have an anxiolytic (anxiety-reducing) effect. Studies, particularly those involving humans under stress, indicate it might modulate stress responses and reduce cortisol levels. However, more extensive research is needed to confirm these effects.
Lysine is essential for the formation of collagen, a key protein critical for skin and connective tissue structure. Adequate Lysine levels are therefore important for the body's natural wound repair processes. It aids in tissue regeneration and strengthening of new tissue.
schedule Dosage, timing & forms
Typical dosages for L-Lysine vary based on individual needs and the intended purpose, often ranging from 500 mg to 3000 mg per day. It is common for this to be divided into multiple doses throughout the day. Always follow the specific instructions on the product label or consult with a healthcare professional for personalized advice.
L-Lysine can generally be taken with or without food. Some individuals prefer taking it on an empty stomach to potentially enhance absorption, while others take it with meals to minimize any potential digestive discomfort. It is best to follow the directions provided on your specific supplement's label.
For general health, an adult daily dose often ranges from 500 mg to 1000 mg. However, specific dosages can vary depending on individual needs and health goals. Always follow product label instructions or consult a healthcare professional for personalized guidance.
While general supplement dosages typically range up to 3 grams (3000 mg) daily, higher amounts have been explored in specific research contexts. It is important not to exceed the dosage recommended on your supplement's label or by a healthcare professional, especially for long-term use. Excessive intake could potentially lead to side effects.
L-Lysine is widely available in several forms, including capsules, tablets, and powder. Liquid forms are also available, though less common. The choice of form often depends on personal preference, convenience, and desired dosage flexibility.
health_and_safety Safety & interactions
For general use, doses of 500 mg to 3 grams per day are commonly used and often considered safe. For specific conditions like cold sore management, higher short-term doses might be used under professional guidance. Always follow product label instructions or a healthcare provider's advice.
Lysine is generally well-tolerated at recommended doses. Mild side effects may include stomach pain, diarrhea, and nausea. If severe or persistent symptoms occur, discontinue use and consult a healthcare professional.
Lysine may interact with arginine supplements, as they compete for absorption in the body. It might also potentially increase the absorption of calcium, which could be relevant for individuals taking calcium supplements or certain diuretics. Always discuss all supplements and medications with a healthcare provider.
There is insufficient reliable information about the safety of taking lysine supplements during pregnancy or breastfeeding. It is generally advised for pregnant or breastfeeding individuals to avoid lysine supplementation unless specifically recommended and monitored by a healthcare professional. Prioritize consulting a doctor before use.
Lysine may potentially increase the absorption of calcium in the body. While this might be beneficial for some, individuals with hypercalcemia or those taking high doses of calcium or vitamin D should monitor their calcium levels. Discuss this with a healthcare provider, especially if you have pre-existing conditions.
Ingredients
| Ingredient | Amount per serving |
|---|---|
L-Lysine | 1000 mg |
Categories
Lysine 75.0
Within the Lysine category, this product offers a standard effective form and dosage; however, its value for money is not as strong as other options, pushing its categorical score lower.
Goals
Immunity 85.0
L-Lysine is a well-established supplement for supporting immune function, especially its role in inhibiting the replication of the herpes simplex virus responsible for cold sores, making this dosage effective for immunity.
Skin Health 80.0
Lysine is an essential amino acid crucial for the synthesis of collagen, a primary protein responsible for skin elasticity, strength, and overall health and repair.
Hair Health 80.0
Similar to skin, the support of collagen production by L-Lysine also extends to hair health, contributing to stronger hair strands and healthy hair follicles.
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