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There are a lot of natural products used to support sleep and mood - and most have some scientific validity.   Some include L-Tyrosine, SAM-E, St. John's Wart, Vanadium, Passion Flower, & 5 HTP.   Natural Biology's research realizes the benefits of each of these ingredients; however, that said L-Tryptophan and Melatonin in their purest form works exponentially more effective for most people without long-term experimentation.   In other words, if you are looking for a natural solution to anxiety, blues, or sleep problems - try L-Tryptophan for mood support - and try the combination of L-Tryptophan and Melatonin for sleep (take 1-2 hours before sleep).  

FREE Bottle of MELATONIN 3mg with every bottle of L-TRYPTOPHAN 1000 purchased
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Relax with L-Tryptophane 1000mg
L-TRYPTOPHAN 1000
Our Price: $44.00
Sale Price: $25.00
You save $19.00!

Restless Sleep - Feel Tired - Have the Blues - Need to Relax - Anxiety
L-TRYPTOPHAN 1000TM    provides 500mg of Pharmaceutical Grade L-Tryptophan to support mood and sleep.  We had a customer call it a "Cocktail in a Capsule" and another said "Better than Valium."   Many people find tryptophan to be a safe and a reasonably effective sleep aid, probably due to its ability to increase brain levels of serotonin (a calming neurotransmitter when present in moderate levels)  and/or melatonin  - a sleep-inducing hormone secreted by the pineal gland in response to darkness or low light levels. (Essayed to be the purest form of tryptophan)
Resets Your Biological Clock
MELATONIN 3mg
Our Price: $9.00
Sale Price: $7.00
You save $2.00!

Resets your Biological Clock
MELATONIN 3mg (PHARMACEUTICAL GRADE) is nature's biological clock hormone. We use only pharmaceutical grade melatonin at 3mg - proven to be the most effective amount in most cases.  Research indicates that Melatonin may be associated with the regulation of sleep/wake cycles and is used to help with sleep and jet lag.  What is seldom known is that Melatonin is a potent antioxidant that defends against free radicals and helps to support glutathione activity in the neural tissue - which plays a primary role in building a stronger immune system. 
The Good Mood Amino Acid
L-TYROSINE
Our Price: $18.00
Sale Price: $13.00
You save $5.00!

Produced by the Thyroid - An essential Amino Acid for a Good Mood
L-Tyrosine 500mg is an important precursor to several neurotransmitters - and is commonly called the good mood amino which may affect many functions of the brain, including mood, stress response, mental function, satiety and sex drive.  L-Tyrosine is also an important component of hormones that produced by the thyroid.  These hormones are in the turn key for managing metabolism.  L-Tyrosine is required to form melanin, the dark pigment present in the skin to shield the body from harmful effects of ultra-violet light.