- The essential amino acid L-tryptophan is the precursor of two natural compounds of great importance.
- Suggested Use: 1 capsule three times daily, between meals and preferably with fruit juice. To support restful sleep, take an additional 3 capsules before bed.
- Well Made Supplement. Contains no yeast, dairy, egg, gluten, soy or wheat. Contains no preservatives, or artificial color, flavor or fragrance.
- TRUSTED FOR OVER 35 YEARS. Source Naturals was created in 1982 by CEO Ira Goldberg to support each individual’s potential to enjoy optimal health.
- MANUFACTURED IN THE USA. Our facility is located in Scotts Valley California.
From the brand
Source Naturals
Unlocking Wellness, Transforming Lives
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Source Naturals’ comprehensive Bio-Aligned Formulas® help bring the power of alignment to your body. When formulating, we evaluate the underlying causes of system imbalances, and then provide targeted nutrition to interdependent body systems. Our line of more than 600 products also includes well-researched, single-entity nutrients in their highest quality and most bioavailable forms.
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How did we get our start?
Source Naturals® was founded in 1982 in Santa Cruz, California, by Ira Goldberg with the belief that the foundation for living your dream life is having vibrant health, and that taking individual responsibility for one’s health is the key.*
What makes our products unique?
The brand is renowned for its Bio-Aligned Formulas rooted in an integrative health philosophy.
What problem are we solving?
We have over 600 unique products spanning from immune, sleep, mood, and vision support to heart and brain health, and more.
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Product Description
Unlocking Wellness, Transforming Lives
Founder Story:
Source Naturals was founded in 1982 in Santa Cruz, California, by Ira Goldberg with the belief that the foundation for living your dream life is having vibrant health, and that taking individual responsibility for one’s health is the key. Ira launched the Source Naturals brand to unlock the secrets of well-being by creating specialty formulas that touch all aspects of wellness and made it his mission to educate people on their transformative benefits.*
L-Tryptophan – For Sleep, Restfulness, and Good Feelings
L-Tryptophan is an essential amino acid that helps support relaxation, restful sleep, and a positive mood. It contributes to synthesizing both melatonin and serotonin, hormones involved with mood and stress response and sleep/wake cycles. l-Tryptophan also supports immune functions because it is the body’s precursor to the kynurenines that regulate immunity.*
- Extremely pure and is regularly tested to ensure the highest standards of quality.
- An essential amino acid that supports sleep, mood, and relaxation.
- Plays a part in the synthesis of both melatonin and serotonin.
- Can also be converted to niacin in the body to support energy production, a healthy nervous system and food metabolism.
*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.
Suggested Use
- Tablet or Capsule
- 1 tablet or capsule three times daily, between meals and preferably with fruit juice. To support restful sleep, take 3 tablets before bed.
- Powder
- 1/4 teaspoon of powder three times daily, between meals and preferably with fruit juice. To support restful sleep, take 3/4 teaspoons before bed.
- Allergies: Suitable for vegetarians. Contains no yeast, dairy, egg, gluten, soy, or wheat. Contains no preservatives, or artificial color, flavor or fragrance.
*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.
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| Item Form | Tablet | Tablet | Capsule | Capsule | Capsule | Powder |
| Size | 60 Count | 120 Count | 60 Count | 90 Count | 120 Count | 50 Grams |
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Consumers Our customers’ well-being is our highest priority. In everything we do, our guiding principle is to provide safe, superior quality products that enhance customers’ health and well-being. Nature and Science:Our Formulation Philosophy We respect nature’s inligence. We choose scientifiy optimal nutrient forms and potencies that work at the cellular level to bring the body’s interdependent systems into balance. We this unique formulation strategy Bio-Alignment. |
Quality First We honor the trust our customers place in us with an unwavering commitment to the highest standards of quality. Raw Materials Our commitment to quality begins with sourcing botanical powders and extracts and other raw materials, including organic and non-GMO verified ingredients when available. |
Advocacy We are advocates for a wellness revolution. We stand for a new health care model focused less on disease care and more on early intervention to metabolic structure and function imbalances that can impact wellness. This new model ed SystemiCare embraces the health enhancing value of nutritional compounds the body already recognizes. Innovation We foster innovation. Our vision of a healthier world inspires us to seek and bring to market innovative new compounds to advance the wellness revolution and offer our customers a better quality of life. |
