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Tyrosine Supplements Sugar-Free by Source Naturals

  • Nutritional Supplements > Tyrosine Source Naturals - L-Tyrosine Free Form Amino Acid 500 mg. - 100 Tablets

    Item #: 67759
    MSRP: $12.98 Price $7.66 You Save 69%
    Source Naturals L-Tyrosine is a free-form amino acid which rapidly crosses the blood-brain barrier Source Naturals L-Tyrosine Free Form Amino Acid is a precursor for the neurotransmitters dopamine norepinephrine and epinephrine and to enkephalins special peptides that subdue messages of physical discomfort Tyrosine is also a constituent of amino sugars glycosaminoglycans) special compounds which have ... more
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  • Nutritional Supplements > Tyrosine Source Naturals - L-Tyrosine Free Form Amino Acid 500 mg. - 50 Tablets

    Item #: 124607
    MSRP: $7.25 Price $3.99 You Save 81%
    Source Naturals Free Form L-Tyrosine Amino Acid 500 mg is a free-form amino acid which rapidly crosses the blood-brain barrier It is a precursor for the neurotransmitters dopamine norepinephrine and epinephrine as well as for thyroid hormones and enkephalins special peptides which subdue messages of physical discomfort Tyrosine is also a precursor for the protective skin pigment melanin Source Naturals ... more
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  • Nutritional Supplements > Tyrosine Source Naturals - L-Tyrosine Free Form Amino Acid Powder 660 mg. - 3.53 oz.

    Item #: 125107
    MSRP: $20.98 Price $10.69 You Save 96%
    Source Naturals L-Tyrosine is a free-form amino acid which rapidly crosses the blood-brain barrier It is a precursor for the neurotransmitters dopamine norepinephrine and epinephrine as well as for thyroid hormones and enkephalins special peptides which subdue messages of physical discomfort Tyrosine is also a precursor for the protective skin pigment melanin Leaders of the Wellness Revolution Source ... more
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  • Nutritional Supplements > DL-Phenylalanine Source Naturals - L-Phenylalanine Essential Free Form Amino Acid 500 mg. - 100 Tablets

    Item #: 67753
    MSRP: $12.98 Price $8.05 You Save 61%
    L-Phenylalanine an essential amino acid is a precursor of the amino acid tyrosine and to a whole series of neurotransmitters and hormones Phenylalanine is first converted to tyrosine which becomes L-dopa which then converts to norepinephrine a key neurotransmitter and adrenal hormone L-Phenylalanine is also a direct precursor to PEA Phenylethylamine) another important neurotransmitter Leaders of the ... more
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