L-Lysine 500 mg
NOW
L-Lysine 500 mg
4.8
★ ★ ★ ★ ★
(4150 ratings)
Lysine 500 mg
Score 90.0
A highly affordable and popular 500mg L-Lysine from NOW in capsule form, offering excellent value and reliability.
Quantity: 100 Capsule(s)Servings size: 1 Veg Capsule(s) (100 servings)
Selected goals:
Other goals:
Immunity
Skin Health
Hair Health
leaderboard Score 90.0
A highly affordable and popular 500mg L-Lysine from NOW in capsule form, offering excellent value and reliability.
insights Analysis
NOW Foods L-Lysine 500 mg (Capsules) is a highly popular and well-regarded supplement, delivering 500mg of L-Lysine Hydrochloride in an easy-to-swallow capsule form. NOW Foods is widely recognized for its commitment to quality, purity, and affordability, which is evident in this product. With 100 capsules per bottle and a very competitive price per serving of 6 cents, it represents strong value for money. The 500mg dose is standard and effective for daily maintenance of immunity, skin, and hair health. Its very high review count signifies widespread consumer satisfaction and trust in its efficacy and budget-friendliness.
- Very competitive price per serving, offering excellent value.
- Capsule form is generally preferred for ease of consumption.
- From NOW Foods, a highly reputable and trusted brand.
- Standard and effective 500mg dosage per capsule.
- Very high review count, demonstrating widespread satisfaction.
- Does not offer a higher 1000mg dosage in a single pill.
- Quantity is standard, not a bulk option like some other NOW products.
$6.00($0.06 per serving)
 Daily Vita | $ 6.00 | |
 Vitacost | $ 6.69 | |
| Daily Vita | $ 7.00 | |
 Pure Formulas | $ 7.13 | |
 iHerb | $ 7.34 | |
 Walmart | $ 10.45 |
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 | 500 mg |
Categories
Lysine 95.0
This NOW Foods product is a leading choice in the Lysine collection, combining excellent value, high efficacy, and consumer trust. Its capsule form makes it highly accessible and a top recommendation for daily Lysine supplementation.
Goals
Immunity 95.0
The 500mg L-Lysine dose is highly effective for daily immune maintenance, especially for managing viral concerns like cold sores. Its affordability ensures consistent long-term use, maximizing benefits for immunity.
Skin Health 95.0
L-Lysine is crucial for collagen synthesis, supporting skin elasticity and repair. This well-priced 500mg dose from a trusted brand makes it an excellent, sustainable choice for skin health support in a convenient capsule.
Hair Health 95.0
The 500mg dose of L-Lysine provides essential amino acids for protein synthesis, fundamentally contributing to strong and healthy hair growth, making it a great value option in capsule form.
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