Source Naturals L-Leucine, Free Form Essential Amino Acid Supplement for Energy Support* - 500 mg -120 Capsules
Stock Expiry Date*: 04-04-2027
Made in the USA
100% Authentic — Sourced directly from manufacturers or their authorized dealers!
- ULTIMATE ENERGY SUPPORT. L-Leucine is an essential amino acid, specifically classified as a "branched-chain amino acid" (BCAA).
- BCAAs, especially leucine, stimulate muscle protein synthesis and may be the major fuel involved in anabolic reactions. This makes them especially important for body builders and other athletes in sports that demand explosive strength.*
- Suggested Use: 2 to 3 capsules daily between meals.
- Over 40 years of trust. source naturals was created in 1982 by ceo ira goldberg to support everyone’s potential to enjoy optimal health.
- Manufactured under the Good Manufacturing Practices (cGMPs) established by the US Food and Drug Administration (FDA).
| Ingredients | Silica, Stearic Acid, and magnesium stearate., l-Leucine. Other ingredients: gelatin (capsule) |
| Material Type Free | Soy Free, Yeast Free, Wheat Free, Egg Free |
| Allergen Information | Egg Free, Dairy Free, Soy Free, Gluten Free |
| Material Features | No Artificial Colors, No Artificial Flavors, No Artificial Preservatives |
| Brand | Source Naturals |
| Flavor | Unflavored |
| Unit Count | 120.0 Count |
| Item Form | Capsule |
| Item Weight | 4 Ounces |
| Product Benefits | Energy Management |
| Number Of Items | 1 |
| Dosage Form | Capsule |
| Primary Supplement Type | L-Leucine |
| Diet Type | Gluten Free |
| Manufacturer | Threshold Enterprises |
| Product Type | Blended Vitamin & Mineral Supplements |
| Special Ingredients | L-Leucine |
| Upc | 021078020530 |
| Supplement Formulation | Individual Supplement |
| Pill Coating | Gelatin |
| Brand Name | Source Naturals |
| Age Range Description | Adult |
| Container Type | Bottle |
| Manufacturer Part Number | SN2053 |
| Total Servings Per Container | 120.0 |
| Model Number | SN2053 |
| Item Dimensions | 2.51 x 2.51 x 4.6 inches |
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Get 5% off your next purchase.
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Orders are processed and shipped from Brooklyn, USA.
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Free delivery on qualifying orders.
3-6 days (Domestic)
30-Day Return Guarantee
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SKU |
BRSWIEARCYDA2AAZ |
Category |
Vitamins, Minerals & Supplements , Blended Vitamin & Mineral Supplements |
Barcode |
021078020530 |
Tags |
L-Leucine is an essential amino acid, specifically classified as a "branched-chain amino acid" (BCAA). BCAAs, especially leucine, stimulate muscle protein synthesis and may be the major fuel involved in anabolic reactions. This makes them especially important for body builders and other athletes in sports that demand explosive strength.*
Important information
Safety Information
*These Statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease. NOTE: If you are pregnant, may become pregnant, or breastfeeding, consult your health care professional before using this product. Do not use if either tamper-evident seal is broken or missing. Keep out of the reach of children.
Ingredients
l-Leucine. Other ingredients: gelatin (capsule), stearic acid, silica, and magnesium stearate.
Directions
Suggested Use: 2 to 3 capsules daily between meals.
Legal Disclaimer
Statements regarding dietary supplements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease or health condition.
Product Dimensions
2.51 x 2.51 x 4.6 inches; 4 ounces
Shipping & Delivery
At Nutricity, we aim to deliver your order as quickly and safely as possible.
Domestic Shipping :
Orders are typically delivered within 3–6 business days.
International Shipping:
Estimated delivery time is 12–26 business days, depending on the destination and customs processing.
You will receive a tracking number once your order has been dispatched. Delivery times may vary during holidays or due to unforeseen delays.
Recently tracked orders
| Order Number | Carrier | Final Mile Tracking Code | Last Update | Track |
|---|---|---|---|---|
| NC14802 | Mailamericas | MLAR093231640EX | 2026-07-21 | Track |
Disclaimer
Dietary supplements are not medicines. Products sold on this website are not intended to diagnose, treat, cure, or prevent any disease. If you have a medical condition then always consult a qualified healthcare professional before use. Individual results may vary. By placing an order, you agree to comply with your country’s import regulations. We cover applicable duties and taxes where stated.
*Expiry Date Information:
Please note that the expiry date may vary from batch to batch. However, we guarantee that all products shipped to our customers have a valid shelf life and will not be expired at the time of delivery.







