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What are amino acids?

Amino acids are the building blocks of proteins, the second most common substance in the body after water and essential for many internal processes. Proteins are composed of chains of amino acids linked together in different combinations.

Amino acids are classified into two categories: essential and non-essential. The sixty percent of the amino acids that the human body can make of other amino acids we enter through our diet are considered non-essential; The remaining 40 percent must be obtained from nutrition is therefore essential.

Each amino acids has a very specific function in the body and sometimes there's a special need for supplementation, which is why so many amino acids are sold separately, e.g. lysine for better immunity, tryptophan for mood and arginine for muscle-bulding.

PasioOnline offers you a very complete range of amino acids with various therapeutic and / or pure muscle building properties.

On the specific amino acids:

L-Arginine: Unlock the potential of Arginine, a versatile amino acid crucial for nitric oxide production, supporting healthy blood flow, cardiovascular function, and muscle development. Explore the benefits of this essential building block for protein synthesis and discover its role in promoting overall well-being.

L-Citrulline: Elevate your health with Citrulline, a key amino acid known for its role in nitric oxide production, enhancing blood circulation, and promoting endurance. Uncover the benefits of Citrulline in supporting athletic performance, cardiovascular health, and recovery. Energize your body and discover the natural power of this amino acid.

L-Carnitine is a naturally occurring amino acid derivative that plays a crucial role in the production of energy by transporting fatty acids into your cells' mitochondria, which act as engines within your cells, burning these fats to create usable energy. It is often categorized as a conditionally essential amino acid because, under normal circumstances, the body can produce sufficient amounts. However, in certain conditions or during specific stages of life, the body's ability to produce enough L-Carnitine may be limited, making dietary sources or supplements beneficial.

L-Cysteine is a semi-essential amino acid, meaning that while the body can synthesize it from other amino acids under normal conditions, dietary intake is still important for optimal health. It contains a thiol group, which consists of a sulfur atom bonded to a hydrogen atom, making it unique among amino acids. This thiol group is responsible for many of L-Cysteine's biological functions.

L-Cysteine and N-Acetyl-Cysteine (NAC) are related compounds that share similarities but also have distinct differences in their chemical structures and biological properties.

Both L-Cysteine and N-Acetyl-Cysteine are important for various biological functions, NAC offers advantages in terms of stability and absorption, making it a preferred form for supplementation in certain contexts. 

L-Glutamine: Boost your wellness journey with L-Glutamine, a versatile amino acid vital for muscle recovery, immune system support, and gut health. Explore the myriad benefits of this essential nutrient, from promoting a robust immune response to aiding in post-workout recovery. Discover the natural resilience of L-Glutamine for a healthier, stronger you. 

L-Glycine is a non-essential amino acid, meaning the body can produce it on its own. It is the simplest and smallest amino acid, and it serves as a building block for proteins. In addition its role in protein synthesis, L-Glycine has various other functions in the body.

Trimethylglycine, commonly known as betaine, is a compound derived from the amino acid glycine. It is naturally found in various foods, including beets, spinach, whole grains, and seafood. Betaine has several potential health benefits.

L-leucine: Ignite muscle growth with L-Leucine, a potent amino acid renowned for its anabolic properties. As a key component of branched-chain amino acids (BCAAs), L-Leucine stimulates protein synthesis, promoting muscle repair and recovery. Unleash the power of this essential amino acid to fuel your fitness journey and sculpt a stronger, more resilient physique.

Branched-Chain Amino Acids (BCAAs): Supercharge your fitness journey with BCAAs – the ultimate anabolic allies. Leucine, Isoleucine, and Valine, the powerhouse trio, fuel muscle growth, enhance protein synthesis, and accelerate recovery. Elevate your workouts, sculpt lean muscle, and experience the anabolic prowess of BCAAs for peak performance and optimal gains.

L-Taurine : Uncover the unique benefits of L-Taurine, an essential amino acid with diverse roles in supporting cardiovascular health, metabolism, and neurotransmission. From enhancing energy levels to promoting antioxidant defense, explore the versatile qualities of L-Taurine for a holistic approach to well-being. Energize your body and mind with the natural power of this amino acid.

L-Tryptophan is converted to serotonin and melatonin in the body, it plays an important role in promoting relaxation, restful sleep and positive mood.

Jarrow formulas 5-HTP (5-Hydroxytryptophan) is an extract of Griffonia simplicifolia seeds from coastal WestAfrica.  5-HTP is the direct metabolic precursor of serotonin and is important for the production of melatonin. key benefits • pure HPLC verified supplement • instant...
Jarrow 5-HTP (50mg/100mg)
50mg 90 caps 100mg 60 caps
Our brandsJarrow Formulas best beforeFeb 2028
1825 2600 -30%
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Jarrow Formulas Acetyl-L-Carnitine 500mg 120 capsules  is a more bioavailable form of L-Carnitine, an amino acid found in high concentration in human brain, nerve, heart, liver and sperm cells. Acetyl L-Carnitine supports energy production by participating in the metabolism of fatty acids in...
Our brandsJarrow Formulas best beforeMay 2028
3075 4400 -30%
Available
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Jarrow Formulas Arginine-citrulline Sustain ™   supports Nitric Oxide production and enhances blood flow. what does Arginine-Citrulline Sustain do?  Jarrow Formulas Arginine-Citrulline Sustain is a synergistic combination of two amino acids to support nitric oxide (NO) production, blood...
Our brandsJarrow Formulas best beforeDec 2027
2525 3600 -30%
Available
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Jarrow Formulas L-Carnosine is a dipeptide that is found in the brain, heart, skin, muscles, kidneys and stomach. who can benefit from L-Carnosine? Vegetarians and anyone interested in anti-aging can benefit from L-carnosine. how does L-carnosine function? L-Carnosine supports...
Our brandsJarrow Formulas best beforeAug 2028
3975 5700 -30%
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Jarrow Formulas Glucosamine + Chondroitin + MSM provides efficacious quantities of Glucosamine Sulfate, Chondroitin Sulfate, and MSM combined with Vitamin C and Manganese for optimizing joint health. who can benefit from Glucosamine + Chondroitin + MSM? Anyone with suboptimal joint...
Jarrow Glucosamine+Chondroitin (120/240c)
120 capsules 240 capsules
Our brandsJarrow Formulas best beforeSep 2026
2800 4000 -30%
Available
Jarrow Formulas L-Glutamine contains glutamine and is widely used by people with an upset gut lining as L-glutamine helps the intestines absorb fluid and important nutrients. Glutamine is the most abundant amino acid in the human body and is involved in many metabolic processes. Skeletal...
Jarrow Glutamine (120c/100t/1kg)
120 capsules 750mg 1kg powder
Our brandsJarrow Formulas best beforeJuly 2026
1325 2400 -45%
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Jarrow Formulas Glutathione Reduced is an ubiquitous antioxidant involved in many cellular functions such as detoxification, amino acid transport, production of coenzymes and recycling of vitamins E and C. By serving as a critical nucleophilic scavenger, glutathione blocks free radical damage...
Our brandsJarrow Formulas best beforeOct 2026
5125 7700 -33%
Available
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Jarrow Formulas Hyaluronic Acid is clinically documented and bioavailable to improve skin hydration.  Glucosamine a widely used supplement to support the formation of connective tissue and cartilage in joints has a new competitor, Hyaluronic Acid Complex™, hyaluronic acid is the metabolite of...
Our brandsJarrow Formulas best beforeSep 2027
2875 4100 -30%
Available
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Jarrow Formulas Magnesium Glycinate 90 capsules  is a highly bioavailable form of magnesium that is gentle on the stomach. Magnesium is an essential mineral that supports muscle relaxation, helps reduce occasional stress, and supports healthy sleep and general wellness. Magnesium glycinate...
Our brandsJarrow Formulas best beforeAug 2027
2100 3000 -30%
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Jarrow Formulas Magnesium Taurate 90 capsules  is a highly bioavailable form of magnesium. Magnesium is an essential mineral that supports cardiovascular function and healthy bone density. benefits Magnesium Taurate  supports healthy cardiovascular system promotes a healthy heart...
Our brandsJarrow Formulas best beforeNov 2027
2250 3200 -30%
Available
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Jarrow Formulas OptiMSM 200 capsules contains methylsulfonylmethane, also known as methyl sulfone and dimethylsulfone (DMSO2). MSM is a sulfur-bearing compound that exists naturally in many fruits, vegetables, grains, and animals, including humans. In many tissues, MSM is important in...
Our brandsJarrow Formulas best beforeFeb 2027
3225 4600 -30%
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Jarrow Formulas N-Acetyl Glucosamine is an aminosaccharide, synthesized from glucose and the amino acid L-glutamine, that has been stabilized by complexing it to an acetyl group. N-Acetyl Glucosamine is the body’s precursor to hyaluronic acid, which is part of the synovial fluid that...
Our brandsJarrow Formulas best beforeOct 2027
2450 3500 -30%
Available
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Jarrow Formulas NAC 500mg 60 v-capsules with N-Acetyl L-Cysteine, a sulfur amino compound which plays an all important role in the production of the body dominant and essential antioxidant Glutathione. Optimal Glutathione levels are important for a healthy immune system and the cell defense...
Our brandsJarrow Formulas best beforeJan 2027
1400 2000 -30%
Available
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Jarrow Formulas NAC Sustain is in a bilayer Quick Release / Sustained Release format of N-Acetyl-L-Cysteine (NAC). N-Acetyl L-Cysteine, a sulfur amino compound which plays an all important role in the production of the body dominant and essential antioxidant Glutathione. Optimal Glutathione...
Our brandsJarrow Formulas best beforeDec 2028
1900 2700 -30%
Available
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Jarrow Formulas Neuro Optimizer 120 capsules contains seven nutrients (citicoline, phosphatidylserine, alpha lipoic acid, acetyl L-carnitine, L-glutamine, taurine and phosphatidylcholine) to build and protect nerve membranes, prevent free radical damage, enhance brain metabolism and provide...
Our brandsJarrow Formulas best beforeSep 2027
4000 5700 -30%
Available
+
Jarrow Formulas S-Acetyl-L-Glutathione is an acetylated version of glutathione. Glutathione is an ubiquitous antioxidant involved in many cellular functions such as detoxification, amino acid transport, production of co-enzymes and recycling of vitamins E and C. By serving as a critical...
Our brandsJarrow Formulas best beforeMarch 2028
3425 4900 -30%
Available
+
Jarrow Formulas Taurine is a sulfur-containing, antioxidant amino acid that protects against free radical damage to cells, and aids in osmoregulation (maintenance of proper concentrations of ions) inside the cell, membrane stabilization, sperm motility, bile acid conjugation, neurotransmission...
Our brandsJarrow Formulas best beforeSep 2026
1250 1800 -31%
Available
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Jarrow Formulas Theanine  is a unique amino acid found almost exclusively in green tea with beneficial effects on brain metabolism. Theanine induces relaxation without causing drowsiness, as measured by increased generation of alpha-waves. Theanine may improve learning ability and sensations of...
Jarrow Theanine (100mg/200mg)
100mg 200mg 100mg gummy
Our brandsJarrow Formulas best beforeSep 2026
1400 2000 -30%
Available
Jarrow Formulas L-Tyrosine 500 is utilized for the synthesis of catecholamine neurotransmitters, such as norepinephrine, epinephrine and dopamine of which the natural production decreases when being on a fat loss diet. In general, tyrosine increases arousal, focus and vitality when the body is...
Our brandsJarrow Formulas best beforeApril 2027
1475 2100 -30%
Available
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Jarrow Formulas Vision Optimizer 180 capsules  supports visual function and ocular antioxidant status. It contains the carotenoids lutein, zeaxanthin, bilberry,eyebright, grapeseed, alpha lipoic acid, selenium, riboflavin and quercetine. who benefits from Vision Optimizer? Declining vision...
Our brandsJarrow Formulas best beforeOct 2026
5400 7700 -30%
Available
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