Date published: 2026-5-29

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SLC6A19 Activators

The chemical class known as SLC6A19 Activators comprises substances that play a pivotal role in enhancing the activity of the SLC6A19 protein, which is responsible for the absorption of amino acids in the intestine. SLC6A19 is a sodium-dependent amino acid transporter that facilitates the uptake of essential amino acids, such as leucine, phenylalanine, proline, glycine, isoleucine, and valine, from the gut lumen into intestinal cells. These amino acids are crucial for various physiological processes, including protein synthesis and cellular function. SLC6A19 activators can be categorized into two groups: direct substrates and indirect modulators.

Direct substrates of SLC6A19, such as leucine, phenylalanine, proline, glycine, isoleucine, and valine, are transported directly into intestinal cells by SLC6A19, enhancing its activity by providing the necessary amino acids as substrates. These amino acids serve as the building blocks for proteins and play essential roles in cellular metabolism and function. By supplying SLC6A19 with its substrates, these activators ensure the efficient absorption of amino acids in the small intestine, contributing to overall protein homeostasis. Indirect modulators of SLC6A19 include compounds like levofloxacin, ephedrine, pH modifiers (e.g., sodium bicarbonate), mTORC1 activators (e.g., rapamycin), angiotensin II, and insulin. These chemicals indirectly influence SLC6A19 activity through various mechanisms. For example, levofloxacin inhibits competing transporters in the intestine, reducing competition for amino acid absorption. Ephedrine stimulates the sympathetic nervous system, promoting the absorption of amino acids. pH modifiers, such as sodium bicarbonate, create a favorable intestinal environment for amino acid transport. mTORC1 activators like rapamycin support SLC6A19 expression and function through signaling pathways. Angiotensin II and insulin activate intracellular signaling cascades that indirectly enhance SLC6A19, leading to increased amino acid absorption.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

L-Leucine

61-90-5sc-364173
sc-364173A
25 g
100 g
$21.00
$62.00
(0)

Leucine is an amino acid and a direct substrate for SLC6A19, enhancing its activity by being transported.

L-Phenylalanine

63-91-2sc-394058
sc-394058A
sc-394058B
100 g
500 g
1 kg
$114.00
$466.00
$693.00
1
(0)

Phenylalanine, an amino acid, activates SLC6A19 by serving as a direct substrate for transport into cells.

L-Proline

147-85-3sc-397196
sc-397196A
sc-397196B
sc-397196C
25 g
100 g
1 kg
5 kg
$38.00
$133.00
$208.00
$978.00
(0)

Proline, another amino acid, directly activates SLC6A19 by serving as a substrate for transport into cells.

Glycine

56-40-6sc-29096A
sc-29096
sc-29096B
sc-29096C
500 g
1 kg
3 kg
10 kg
$41.00
$71.00
$112.00
$357.00
15
(9)

Glycine is an amino acid that activates SLC6A19 by acting as a direct substrate for transport into cells.

L-Isoleucine

73-32-5sc-396706
sc-396706A
25 g
100 g
$28.00
$120.00
(0)

Isoleucine, an amino acid, directly activates SLC6A19 by serving as a substrate for transport into cells.

Levofloxacin

100986-85-4sc-252953
sc-252953B
sc-252953A
10 mg
250 mg
1 g
$40.00
$46.00
$54.00
3
(1)

Levofloxacin indirectly activates SLC6A19 by inhibiting competing transporters in the intestine.

Sodium bicarbonate

144-55-8sc-203271
sc-203271A
sc-203271B
sc-203271C
sc-203271D
25 g
500 g
1 kg
5 kg
25 kg
$21.00
$29.00
$43.00
$84.00
$697.00
1
(1)

Modifying intestinal pH with compounds like sodium bicarbonate indirectly impacts SLC6A19 by creating a favorable environment for amino acid transport.

Rapamycin

53123-88-9sc-3504
sc-3504A
sc-3504B
1 mg
5 mg
25 mg
$63.00
$158.00
$326.00
233
(4)

Activation of the mTORC1 signaling pathway indirectly supports SLC6A19 expression, enhancing amino acid absorption.

Angiotensin II, Human

4474-91-3sc-363643
sc-363643A
sc-363643B
sc-363643C
1 mg
5 mg
25 mg
100 mg
$51.00
$100.00
$310.00
$690.00
3
(1)

Angiotensin II indirectly stimulates SLC6A19 through intracellular signaling pathways, promoting amino acid absorption.

Insulin

11061-68-0sc-29062
sc-29062A
sc-29062B
100 mg
1 g
10 g
$156.00
$1248.00
$12508.00
82
(1)

Insulin activates signaling pathways that indirectly enhance SLC6A19 function, increasing amino acid absorption in the intestine.