68 products
Sort by:
68 products
Supports muscle, intestinal and immune function
This amino acid is a primary energy source for your intestinal cells and is widely present in muscle tissue. Supplementation may be beneficial during physiological stress.† Supplementing with L-glutamine may also support a healthy intestinal lining and immune function.†
Glutamine is the most abundant amino acid in your body and helps form other amino acids, glucose, protein, and glutathione. Stored in your muscles, it is the primary metabolic fuel for cells in your small intestine, fibroblasts that make collagen, and cells in your immune system.† Supplementing with glutamine can support cells that make up your gut lining, resulting in less intestinal permeability and better immune function.
SUPPLEMENT FACTS
| Serving Size 1 Capsule | ||
| Amount Per Capsule | % Daily Value | |
|---|---|---|
| L-Glutamine (free form) | 500 mg | * |
| * Daily value not established | ||
Other Ingredients:
Vegetarian capsule (hydroxypropyl methylcellulose, water), ascorbyl palmitate, and microcrystalline cellulose.
Suggested Use
1 capsule, 1 to 4 times daily between meals or as directed by a healthcare professional.
Allergy Statement
Free of the following common allergens: milk/casein, eggs, fish, shellfish, tree nuts, peanuts, wheat, gluten, soybeans, corn, and yeast. Contains no artificial colors, flavors, or preservatives.
Caution
If you are pregnant, nursing, have a medical condition, or taking prescription drugs, consult your physician before using this product. KEEP OUT OF REACH OF CHILDREN.
Brain, mood & nerve health, cellular energy, 3-month supply
Life Extension’s Acetyl-L-Carnitine supplement promotes youthful cellular energy metabolism and supports mood and nervous system well-being, among other benefits.
What Is Acetyl-L-Carnitine?
Over time, our bodies produce less carnitine, the building block for the cellular-energy-promoting amino acid derivative acetyl-L-carnitine. That’s why we offer our Acetyl-L-Carnitine supplement, the optimal support for cellular and mitochondrial energy.
Acetyl-L-carnitine promotes peripheral nervous system comfort and supports healthy mood, energy and overall well-being.
Acetyl-L-Carnitine Benefits
- Supports cellular and mitochondrial energy
- Promotes nervous system and mood well-being
- Encourages cognitive wellness
- Defends against oxidative stress
- Helps maintain cardiovascular health
Cellular Energy for Whole Body Health
Acetyl-L-carnitine facilitates the movement of fatty acids into mitochondria, where they can be burned as fuel to produce energy. Adding Life Extension’s Acetyl-L-Carnitine supplement to your routine will help benefit energy-intensive body systems such as the nervous system and the cardiovascular system and help counteract the age-related increase in oxidative stress.
Acetyl-L-carnitine facilitates the movement of fatty acids into mitochondria, where they can be burned as fuel to produce energy. Thus, acetyl-L-carnitine helps to support whole-body energy production.
Acetyl-L-carnitine supplementation has been shown to benefit energy-intensive body systems such as the nervous system and the cardiovascular system, and to help counteract the age-related increase in oxidative stress and the decrease in mitochondrial efficiency that occurs with advancing years.
Acetyl-l-carnitine has wide-ranging benefits for nervous system wellness, including the central and peripheral nervous systems, and cognitive health, as well as positive mood. It has been shown to promote peripheral nervous system comfort, support healthy mood, energy and overall well-being.
Non-GMO |
||||||||||
| Dosage and Use | ||||||||||
|
||||||||||
- KEEP OUT OF REACH OF CHILDREN
- DO NOT EXCEED RECOMMENDED DOSE
- Do not purchase if outer seal is broken or damaged.
- When using nutritional supplements, please consult with your physician if you are undergoing treatment for a medical condition or if you are pregnant or lactating.
N-Acetyl-L-Cysteine (NAC) is an antioxidant amino acid and a precursor in the body to the endogenous antioxidant glutathione.* Glutathione is important for detoxification.
- Precursor to Glutathione
- Promotes healthy cellular glutathione levels
- Supports the detoxification function of the liver*
- 500 mg Per Capsule
Suggested use
Adults take 1 capsule 1-2 times a day or as directed by your qualified healthcare professional.
WARNING: Prolonged or elevated intake may alter liver function tests without affecting actual liver function. Inform your physician that you are ingesting NAC if you undergo liver function tests. Consult a healthcare professional before using this product if you are pregnant, nursing, under the age of 18, are taking medication or have a medical condition; if adverse reactions occur, discontinue use.
KEEP OUT OF THE REACH OF CHILDREN.
STORE IN A COOL, DRY PLACE.
| Supplement facts | ||
| Serving Size: 1 Capsule | ||
| Amount Per Serving | %Daily Value* | |
| N-Acetyl-L-Cystein | 500 mg | † |
| †Daily Value (DV) not established. | ||
Other ingredients
Capsule (hydroxypropyl- methylcellulose, water), microcrystalline cellulose, magnesium stearate (vegetable source) and silicon dioxide.
No wheat, gluten, soybeans, dairy, egg, fish/shellfish, peanuts/tree nuts or sesame.
What Is L-Lysine?
Lysine, a building block for protein, is an essential amino acid, which means it is not produced by our bodies. Therefore, it has to be obtained through our diet. Lysine helps encourage a healthy stress response and helps inhibit glycation, which can play a role in a variety of age-related factors.
Among its potential health benefits, lysine supplementation has been shown to increase calcium absorption and retention.
L-Lysine Benefits
- Supports healthy nitrogen balance
- Promotes healthy calcium metabolism
- Encourages a healthy stress response
- Helps inhibit glycation
Fight Against Age-Related Factors
Lysine is an essential amino acid necessary for growth, and it helps maintain nitrogen balance in the body. It also appears to inhibit glycation, a biochemical reaction that can contribute to a variety of age-related factors. Glycation events disrupt the normal function of protein and lipid structures in the body and are accelerated by elevated levels of sugar in the blood.
Most people consume adequate amounts of lysine, but vegan diets need to include beans and lentils in order to provide enough.1 Athletes involved in frequent vigorous exercise have an increased need for essential amino acids, and vegan athletes face the greatest challenge in getting the right balance and amounts of dietary amino acids.
|
||||||||
| Dosage and Use | ||||||||
|
||||||||
- KEEP OUT OF REACH OF CHILDREN
- DO NOT EXCEED RECOMMENDED DOSE
- Do not purchase if outer seal is broken or damaged.
- When using nutritional supplements, please consult with your physician if you are undergoing treatment for a medical condition or if you are pregnant or lactating.
Jarrow Formulas® L-Glutamine is manufactured by microbial fermentation. L-Glutamine is the most abundant amino acid in the human body and is involved in many metabolic processes, including the synthesis and protection of muscle tissue, the production of glycogen, and provides immune support during periods of immune and muscular stress.* L-Glutamine is also a major source of fuel for enterocytes (intestinal cells) and supports the integrity of the intestinal lining.
- Most Abundant Amino Acid In The Body
- Amino Acid Used In The Intestinal Tract, Kidneys, Gallbladder, Pancreas, And Liver
- Supports Muscle Tissue And Immune Health*
- L-Glutamine Easy-Solv® Tablets
- 1000 mg L-Glutamine Per Serving
- Vegan, Non-GMO, Gluten Free
Suggested use
Adults take 1 tablet 1-2 times a day, preferably on an empty stomach or after a workout, or as
directed by your qualified healthcare professional.
WARNING: Consult a healthcare professional before using this product if you are pregnant, nursing, under the age of 18, are taking medication or have a medical condition (especially epilepsy, seizure, mania or severe liver disorder); if adverse reactions occur, discontinue use.
Keep out of the reach of children.
| Supplement facts | ||
| Serving Size: 1 Tablet | ||
| Amount Per Serving | %DV | |
| L-Glutamine | 1,000 mg | † |
| †Daily Value (DV) not established. | ||
Other ingredients
Microcrystalline cellulose, hydroxypropylcellulose, cellulose, magnesium stearate (vegetable source), stearic acid (vegetable source) and croscarmellose sodium.
No wheat, gluten, soybeans, dairy, egg, fish/shellfish, peanuts/tree nuts or sesame.
ALA Release (alpha lipoic acid) 60 tablets Allergy Research Group
$34.69
Overview
ALA Release – Lipoic Complex is a comprehensive alpha-lipoic acid formula designed to provide both standard alpha-lipoic acid and R-alpha-lipoic acid in a sustained support matrix. This dual-form approach helps promote antioxidant protection, metabolic balance, and healthy cellular function.
Each tablet delivers 270 mg of alpha-lipoic acid plus 30 mg of R-alpha-lipoic acid, along with supportive nutrients including biotin, calcium, and phosphorus.
Key Benefits
- Provides both alpha-lipoic acid and R-alpha-lipoic acid
- Supports antioxidant defense and cellular protection
- Promotes healthy glucose metabolism
- Supports mitochondrial energy production
- Includes biotin for metabolic support
How It Works
Alpha-lipoic acid is a powerful antioxidant that functions in both water- and fat-soluble environments, supporting cellular protection against oxidative stress. It also plays a role in mitochondrial energy metabolism.
R-alpha-lipoic acid is the biologically active isomer and works synergistically with standard alpha-lipoic acid. Biotin is included to support carbohydrate metabolism, while calcium hydroxyapatite provides calcium and phosphorus as supportive minerals.
Who Is This For
- Individuals seeking antioxidant and metabolic support
- Those looking to support healthy glucose metabolism
- People focused on cellular energy and mitochondrial function
Supplement Facts
| Supplement Facts | ||
|---|---|---|
| Serving Size: 1 Tablet | ||
| Servings Per Container: 60 | ||
| Amount Per Serving | Amount | % Daily Value |
| Biotin (as d-Biotin) | 1 mg | 3333% |
| Calcium (as Calcium Hydroxyapatite) | 60 mg | 5% |
| Phosphorus (as Calcium Hydroxyapatite) | 31 mg | 2% |
| Alpha-Lipoic Acid (Thioctic Acid) | 270 mg | † |
| R-alpha-Lipoic Acid (from 43 mg R-alpha-lipoic acid sodium salt) | 30 mg | † |
† Daily Value not established.
Other Ingredients: Cellulose, stearic acid, cellulose & glycerin coating, silica, vegetable glaze.
Suggested Use
As a dietary supplement, take 1 tablet one or two times daily with food, or as directed by a healthcare professional.
Product Facts
- Form: tablets
- Serving Size: 1 tablet
- Servings Per Bottle: 60
- Dual alpha-lipoic acid complex
Highlights
- Contains both standard and R-form alpha-lipoic acid
- Supports antioxidant and metabolic pathways
- Includes biotin for carbohydrate metabolism
- Designed for daily cellular support
FAQ
What is the difference between alpha-lipoic acid and R-alpha-lipoic acid?
Alpha-lipoic acid typically contains both R and S forms, while R-alpha-lipoic acid is the biologically active isomer naturally used by the body.
Should this be taken with food?
Yes. It is recommended to take this product with food unless otherwise directed by a healthcare professional.
Can this affect blood sugar?
Alpha-lipoic acid may support glucose metabolism. Individuals with diabetes or related conditions should monitor blood glucose levels and consult a healthcare provider.
Is this suitable for long-term use?
Many individuals use alpha-lipoic acid as part of a long-term wellness plan. Consult your healthcare professional for personalized guidance.
Caution
Alpha-lipoic acid may lower blood glucose levels; individuals with diabetes or related conditions should monitor blood glucose levels. Pregnant or breastfeeding women, individuals with thiamine deficiency or thyroid disease, and children should use alpha-lipoic acid only under the supervision of a healthcare professional. Keep out of reach of children. Store in a cool, dry place.
Support Sleep & Wellbeing
Benefits and Features
This essential alpha-amino acid helps make proteins and brain-signaling chemicals like the neurotransmitters serotonin and melatonin.†
Detail Overview
L-Tryptophan is an essential alpha-amino acid that is a precursor to the neurotransmitters serotonin and melatonin. Supplementation with tryptophan has been shown in numerous clinical trials to be safe, well-tolerated, and supportive of well-being, calmness, relaxation, sleep, and appetite control.† For best results, take tryptophan on an empty stomach, or with a small serving of carbohydrates.
SUPPLEMENT FACTS
| Serving Size 4 Capsules | ||
| Amount Per 4 Capsules | % Daily Value | |
|---|---|---|
| L-Tryptophan | 2,000 mg | * |
| * Daily value not established | ||
Other Ingredients:
Vegetarian capsule (hydroxypropyl methylcellulose, water), ascorbyl palmitate, and microcrystalline cellulose.
Suggested Use
Adults: 2-4 capsules at bedtime or as directed by a healthcare professional. Children: as directed by a healthcare professional.
Allergy Statement
Made without common allergens: milk/casein, eggs, fish, shellfish, tree nuts, peanuts, wheat, gluten, soybeans, and sesame. Non-GMO, Vegan, No synthetic colors, or flavors.
Caution
Consult your physician If you are pregnant or nursing, or have a medical condition, or taking prescription drugs, (including antidepressants such as MAOIs and SSRIs, and sedatives), or under the age of 18 years. May cause drowsiness. Do not use with alcoholic beverages or before and while operating a motor vehicle or machinery. KEEP OUT OF REACH OF CHILDREN.
Overview
Branched Chain Amino Acids 90 Capsules by Life Extension provides the three essential branched-chain amino acids: L-leucine, L-isoleucine, and L-valine. These amino acids are commonly used to support muscle protein synthesis, exercise performance, recovery, endurance, and healthy muscle function.
BCAAs must be obtained through food or supplementation because the body cannot produce them on its own. This formula is suitable for active adults, athletes, people following low-protein diets, or anyone seeking additional support for muscle maintenance and recovery.
Key Benefits
- Supports muscle protein synthesis
- Helps support muscle strength and endurance
- Promotes post-exercise recovery
- Supports exercise performance
- Provides three essential branched-chain amino acids
- Supports healthy skeletal muscle function
- Supports normal brain and immune function
- Gluten-free and non-GMO
- Vegetarian capsule formula
Supplement Facts
Serving Size: 4 Capsules
Servings Per Container: About 22
| Ingredient | Amount Per Serving | % Daily Value |
|---|---|---|
| Calories | 10 | |
| L-Leucine | 1,200 mg | Daily Value not established |
| L-Isoleucine | 600 mg | Daily Value not established |
| L-Valine | 600 mg | Daily Value not established |
Other Ingredients: Vegetable cellulose (capsule).
Ingredient Breakdown
| Ingredient | Role in the Formula |
|---|---|
| L-Leucine | The most abundant BCAA in this formula; supports muscle protein synthesis and healthy muscle maintenance. |
| L-Isoleucine | Supports energy metabolism, endurance, and normal muscle function during physical activity. |
| L-Valine | Supports muscle recovery, energy production, and balanced amino acid intake. |
| 2:1:1 BCAA Ratio | Provides twice as much leucine as isoleucine and valine, reflecting a commonly used balance for muscle support. |
How It Works
Branched-chain amino acids are essential amino acids with a unique chemical structure. They are found naturally in protein-rich foods such as meat, dairy, eggs, legumes, and protein powders, but may also be used as a convenient supplement around training or during periods of increased physical demand.
Leucine plays an important role in signaling pathways involved in muscle protein synthesis. Isoleucine and valine complement leucine by supporting energy metabolism and muscle function.
Because BCAAs are metabolized in skeletal muscle, they are often used by active adults to support recovery, maintain lean muscle mass, and promote training performance. They may also be useful when dietary protein intake is inconsistent or limited.
Who Is It For?
Branched Chain Amino Acids may be suitable for adults who exercise regularly, train for strength or endurance, want support for post-workout recovery, follow a lower-protein diet, or want an easy capsule-based BCAA formula without powders or added flavors.
Suggested Use
For adults 18 years and older, take 4 capsules daily, or as recommended by a healthcare practitioner.
Frequently Asked Questions
What are branched-chain amino acids?
Branched-chain amino acids, or BCAAs, are three essential amino acids: leucine, isoleucine, and valine. They must come from food or supplements because the body cannot make them.
How much BCAA is provided per serving?
Each 4-capsule serving provides 2,400 mg of total BCAAs: 1,200 mg of L-leucine, 600 mg of L-isoleucine, and 600 mg of L-valine.
What is the BCAA ratio in this product?
The formula provides a 2:1:1 ratio of leucine, isoleucine, and valine.
Can BCAAs be used for muscle recovery?
BCAAs are commonly used to support muscle recovery, exercise performance, and healthy muscle protein synthesis as part of an active lifestyle.
Can I take BCAAs if I do not work out?
Yes. BCAAs may still support muscle maintenance and dietary amino acid intake, although they are especially popular among physically active adults.
Is this product a complete protein source?
No. This product supplies only three amino acids and is not a complete protein replacement. A balanced diet with adequate protein remains important.
Is this formula gluten-free?
Yes. The manufacturer lists this product as gluten-free.
Is it non-GMO?
Yes. The manufacturer lists this formula as non-GMO.
Who should consult a healthcare professional before use?
Consult a healthcare professional before use if you are pregnant, nursing, taking medication, undergoing treatment for a medical condition, or have questions about your protein or amino acid intake.
Storage
Store in a cool, dry place. Keep tightly closed and out of reach of children. Do not use if the outer seal is damaged or missing.
Showing 32/68
Next