Tryptophan Supplements Compared

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Tryptophan Supplements Compared: products in columns, comparison details in rows.
ProductProducts in columns	L-Tryptophan Powder NOW	L-Tryptophan 500 mg Doctor's Best	L-Tryptophan 500 mg Swanson Ultra	L-Tryptophan 500 mg Swanson	L-Tryptophan 500 mg Life Extension	L-Tryptophan 1000 mg AN Amazing Nutrition Amazing Formulas	L-Tryptophan 500 mg Advanced Nutrition by Zahler	L-Tryptophan 500 mg Jarrow Formulas	L-Tryptophan 500 mg Metabolic Maintenance	L-Tryptophan Pure Encapsulations
Overall score	82	85	82	83	84	83	78	83	73	72
Product details
Servings	57	90	90	60	90	120	60	60	60	90
Unit	tsp	Veggie Capsule(s)	Veggie Capsule(s)	Capsule(s)	Vegetarian Capsule(s)	Tablet(s)	Capsule(s)	Capsule(s)	Capsule(s)	Capsule(s)
Review rating	4.35 / 5	4.54 / 5	4.70 / 5	4.70 / 5	4.67 / 5	4.46 / 5	4.59 / 5	4.44 / 5	4.59 / 5	4.58 / 5
Review count	585	2,175	206	939	1,806	2,699	140	1,483	98	17
Price	$13.90	$19.99	$29.19	$13.69	$21.03	$18.80	$19.47	$12.70	$40.00	$124.50
Price per serving	$0.24	$0.22	$0.32	$0.22	$0.23	$0.15	$0.32	$0.21	$0.66	$1.38
Ingredients
Vitamin B6	—	—	—	—	—	—	—	—	10 mg Pyridoxine Hydrochloride	6.7 mg Pyridoxal 5-Phosphate
Niacin	—	—	—	—	—	—	8.3 mg	—	—	—
Goals
Mood Support	49	49	49	49	49	49	49	49	76	70
Sleep Support	51	51	51	51	51	51	51	51	58	58
Stress Relief	65	65	65	65	65	65	65	65	65	65
Tags
Adults 18–50	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
Dairy Free	Yes	No	No	No	No	Yes	Yes	Yes	Yes	No
Gluten Free	Yes	Yes	No	No	No	Yes	Yes	Yes	Yes	Yes
Kosher	No	No	No	No	No	No	Yes	No	No	No
Sugar Free	No	No	No	No	No	Yes	No	No	No	No
Vegan	Yes	Yes	No	No	No	No	No	Yes	No	No
Vegetarian	Yes	Yes	Yes	No	No	No	Yes	Yes	No	No
Women	No	No	No	No	No	No	No	No	No	Yes

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