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  • Lysine Powder
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Lysine Powder

Lysine Powder

Essential amino acid L-lysine in powder form to support lean body mass, connective tissue health and immune resilience.
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Lysine Powder
$21.99
$21.99
NUTRABIO QUALITY GUARANTEE

NUTRABIO QUALITY GUARANTEE

Made in the USA • Third-Party Tested • Fully Transparent Labels • Fully Dosed Formulas

Essential amino acid L-lysine in powder form to support lean body mass, connective tissue health and immune resilience.

Description

How To Use

Key Ingredients

Dietary Restrictions

Delivery & Returns

SKU: 23281
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Pure Free-Form L-Lysine for Muscle Growth & Recovery

Supports growth and maintenance of lean body mass, collagen formation for connective tissues and calcium absorption for structural health.

1 g
Lysine Powder
ZERO
Fillers or Excipients
100%
Vegetarian

How NutraBio Is Better

Fully transparent labels, no proprietary blends, and third-party testing on every batch — so you always know exactly what you're getting. Here's how NutraBio compares.

A white tub of NutraBio's L-Lysine supplement on a white background.NutraBio
A blank white plastic supplement jar with a matching screw-on lid, shown on a clean white background.Other Brands
Supports Protein Synthesis
3rd-Party Batch Tested
In-House Manufactured

The Science-Backed Edge

Every ingredient is chosen with purpose and backed by science to deliver meaningful results. Whether it’s wellness or performance, each formula is fully dosed and built with innovation to help your body function at its highest potential.

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Live Without Compromise

We are dedicated to helping you achieve real results by ensuring every product is made with the highest-quality ingredients and uncompromising standards. Our commitment to excellence is built to help you reach your potential and live without compromise.

  • Black and white stylized silhouette of a muscular figure flexing both arms, highlighting well-defined muscles in the chest, arms, and torso, with a faceless head.

    Lean Muscle Mass

    Helps support and maintain lean body tissue by providing a necessary building block for proteins.

  • A stylized, geometric illustration of a muscular arm flexing and holding a dumbbell, depicted in bold black-and-white lines.

    Muscle & Strength

    As a free-form amino acid L-lysine supports muscle protein synthesis and may help preserve strength and performance.

  • Black and white graphic of a human knee joint, showing the thigh bone, kneecap, and shin bone, outlined in bold lines with simple geometric shapes to represent the knee anatomy.

    Joint Health

    Contributes to collagen formation and supports connective tissue so joints and ligaments maintain structural integrity.

  • Black and white graphic showing a DNA double helix intertwined with a shield, symbolizing protection or security related to genetics or DNA.

    Immune Support

    Plays a role in immune system function and may help fortify the body’s defense mechanisms.

  • Black and white icon of a human knee joint with two bold arrows pointing upward on either side, representing joint movement or mobility.

    Bone Strength

    May enhance calcium absorption and conservation supporting skeletal health and bone density.

  • A black silhouette of a person sitting with arms raised, surrounded by angular shapes resembling stylized spikes or rays, all outlined in white.

    Wellness & Daily Health

    Foundational amino acid support to ensure your daily nutrition covers essential components for overall health.
A woman with long red hair does a side angle yoga pose outdoors on a mat, wearing a black sports bra, black shorts, white sneakers, and a smartwatch. A yoga block and foam roller are nearby, with a green hedge in the background.

Essential L-Lysine for Growth, Recovery & Structural Health

Build and Maintain Lean Mass

With pure L-lysine in powder form you provide your body the essential amino acids needed for lean tissue and growth.

Support Connective Tissues & Joints

By supporting collagen formation and connective tissue health you reduce risk of joint stress and structural breakdown.

Strengthen Daily Health & Resilience

This foundational amino acid also supports immune, bone and metabolic health so you stay well and perform better.

Overall rating: 5.0 / 5 from 6 reviews.

AI Generated Review Summary

Summary topics

Review topics: [quality].

Review highlights

Reviews

Love it

"love it"

— Raju (5/5)

Nutrabio - the Best there is! I've used their products for almost 15 years.

"My physician prescribed L-Lysine for my blood, and at 81 I am not on any prescription medication. I am able to work out at the gym three days a week."

— Gary S. (5/5)

Awesome company. Awesome products

"Awesome company. Awesome products"

— Annette S. (5/5)

L-lysine

"Excellent quality just as expected as I use many other NutraBio products which I feel exceed top quality!"

— Kim B. (5/5)

Great stuff

"Love the pure and clean ingredients!"

— Dana S. (5/5)

Hardly ever get what’s going

"Hardly ever get what’s going around us since starting this couple years ago"

— Kim D. (5/5)

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