Active Ingredient Tryptophan |
| an essential amino acid that is necessary for normal growth in infants and for nitrogen balance in adults. it is a precursor of indole alkaloids in plants. it is a precursor of serotonin (hence its use as an antidepressant and sleep aid). it can be a precursor to niacin, albeit inefficiently, in mammals. Synonyms:
l tryptophan
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Supplements containing Tryptophan |
| Dietary Supplement | Quantity | Potency | SRP |
| action labs, super fat burner plus bromelain | 200 capsules | | $35.39 |
| all one, nutritech, active senior multiple vitamin & mineral powder | 2.2 lb | | $95.95 |
| all one, nutritech, active seniors multiple vitamin & mineral powder | 15.9 oz | | $54.95 |
| all one, nutritech, fruit antioxidant multiple vitamin & mineral powder | 15.9 oz | | $47.95 |
| all one, nutritech, green phyto base multiple vitamin & mineral powder | 2.2 lb | | $87.95 |
| all one, nutritech, original formula multiple vitamin & mineral powder | 2.2 lb | | $87.95 |
| all one, nutritech, rice base multiple vitamin & mineral powder | 15.9 oz | | $39.95 |
| allergy research group, nutricology, ligazyme | 100 tablets | | $29.99 |
| barlean's, forti-flax | 16 oz | | $7.95 |
| bluebonnet nutrition, brewer' yeast | 2 lb | | $25.95 |
| bluebonnet nutrition, diet chrome-care | 90 veggie caps | | $33.95 |
| bluebonnet nutrition, heart antioxidant | 120 veggie caps | | $48.95 |
| bluebonnet nutrition, l-arginine | 100 veggie caps | 500 mg | $16.95 |
| bluebonnet nutrition, l-arginine 1000 mg | 100 caplets | | $21.95 |
| bluebonnet nutrition, l-carnitine | 60 veggie caps | 250 mg | $18.95 |
| bluebonnet nutrition, l-carnitine | 60 veggie caps | 500 mg | $30.95 |
| bluebonnet nutrition, l-glutamine | 250 veggie caps | 500 mg | $39.95 |
| bluebonnet nutrition, l-glutamine powder | 8 oz | | $31.95 |
| bluebonnet nutrition, l-tryptophan tryptopure | 100 veggie caps | 500 mg | $46.95 |
| bluebonnet nutrition, l-tyrosine | 100 veggie caps | 500 mg | $21.95 |
| bluebonnet nutrition, super chrometene l carnitine & chromium picolinate | 90 veggie caps | | $46.95 |
| bluebonnet nutrition, targeted multiple age less choice for men 50+ | 90 capsules | | $29.95 |
| bluebonnet nutrition, targeted multiple age less choice for women 50+ | 90 caplets | | $29.95 |
| bluebonnet nutrition, targeted multiples men's choice for men 18 to 49 | 90 caplets | | $29.95 |
| champion nutrition, champion nutrition pro score 100 natural 2 lb powder | | | $53.95 |
| champion nutrition, whey protein stak strw 2 2lbs | | | $27.99 |
| country life vitamins, iron tek essential natural high protein chocolate fudge 2 3 pound | 1.9 | | $35.99 |
| country life, 7-ketotrim | 60 capsules | | $46.98 |
| country life, bio-chem liga tend | 100 tablets | | $29.99 |
| country life, biochem aller max | 100 veggie caps | | $31.25 |
| country life, biochem menopause support | 50 tablets | | $15.00 |
| country life, biochem prosta max for men | 200 tablets | | $51.95 |
| country life, biochem thyro max support | 60 tablets | | $14.25 |
| country life, biochem ultimate l glutamine | 90 tablets | | $16.00 |
| country life, iron-tek essential glutamine powder | 17.6 oz | | $34.95 |
| country life, l-arginine | 100 veggie caps | 500 mg | $13.95 |
| country life, l-arginine / l ornithine | 180 capsules | | $48.98 |
| country life, l-arginine caps | 200 veggie caps | 500 mg | $25.99 |
| country life, l-glutamine | 60 tablets | 1000 mg | $14.95 |
| country life, l-glutamine caps | 100 veggie caps | 500 mg | $14.75 |
| country life, l-tyrosine | 100 veggie caps | 500 mg | $16.95 |
| country life, maxine for women (with iron) | 120 tablets | | $36.30 |
| country life, maxine multiple for women gentle strength | 120 veggie caps | | $24.50 |
| country life, menopause formula maxine's maximized | 60 tablets | | $16.98 |
| country life, multi-100 high potency multiple | 90 tablets | | $29.85 |
| dr. tamyra y comeaux, herbalith | | | $50.00 |
| enzymatic therapy, fatigued to fantastic! energy revitalization system | 18.6 oz | | $49.95 |
| foodscience of vermont, simple steps soy protein powder creamy chocolate 16 oz 1 lb foodscience of vermont | | | $15.95 |
| foodscience of vermont, simple steps soy protein powder vanilla 16 by foodscience of vermont | | | $15.95 |
| form essentials, solus with 5 htp | 60 capsules | | $39.99 |
| healthy n fit, anabolic muscle | 56 oz | | $37.39 |
| iron-tek, 100 natural chocolate whey protein 14 5 oz powder | 11.4 | | $18.99 |
| iron-tek, 100 natural vanilla whey protein 14 oz powder | 14.2 | | $18.99 |
| iron-tek, 100 natural whey protein 11 2 oz powder | 11.4 | | $18.99 |
| jarrow formulas, l-tryptophan | 60 veggie caps | 500 mg | $21.95 |
| jarrow formulas, sleep optimizer | 30 veggie caps | | $11.95 |
| jay robb, jay robb unflavored whey protein isolate with 26 grams of protein 12 oz | 12 oz | | $19.51 |
| labrada nutrition, prov 60 protein 3 5lb vanilla | 3.5lb | | $79.99 |
| life extension, enhanced life extension protein | 2.2 lb | | $38.00 |
| mbi nutraceuticals, bio pro | | | $42.00 |
| mrm, whey pumped 100% all natural | 2.02 lb | | $36.99 |
| mt. capra, caprotein premium goat milk protein | | | $43.95 |
| natrol, l-carnitine | 30 capsules | 500 mg | $17.49 |
| nature's plus, spiru-tein high protein energy meal | 1.1 lb | | $20.95 |
| nature's plus, spiru-tein whey high protein energy meal | 1 lb | | $22.20 |
| nature's way, efa gold flax | 16 oz | | $12.99 |
| nature's way, efa gold hemp cold milled powder | 16 oz | | $18.99 |
| now foods, 1kg | 35.3 oz | | $63.99 |
| now foods, air defense immune booster with paractin | 90 veggie caps | | $17.99 |
| now foods, arginine & citrulline 500/250 | 120 capsules | | $24.99 |
| now foods, arginine & ornithine | 250 capsules | | $35.99 |
| now foods, brain elevate | 120 veggie caps | | $37.99 |
| now foods, branched chain amino acid | 240 capsules | | $39.99 |
| now foods, branched chain amino acids | 120 capsules | | $21.99 |
| now foods, l-arginine | 250 capsules | 500 mg | $19.99 |
| now foods, l-arginine | 120 tablets | 1000 mg | $21.99 |
| now foods, l-arginine powder | 2.2 lb | | $69.99 |
| now foods, l-arginine powder | 1 lb | | $39.99 |
| now foods, l-glutamine | 120 capsules | 500 mg | $12.99 |
| now foods, l-glutamine | 240 capsules | 1000 mg | $33.99 |
| now foods, l-glutamine | 180 tablets | 1500 mg | $31.99 |
| now foods, l-glutamine double strength | 120 capsules | 1000 mg | $17.99 |
| now foods, l-tryptophan | 120 veggie caps | 500 mg | $37.99 |
| now foods, l-tryptophan high potency | 60 tablets | 1000 mg | $37.99 |
| now foods, l-tryptophan powder | 2 oz | | $29.99 |
| now foods, pro-gainer | 8 lb | | $49.99 |
| now foods, thyroid energy | 90 veggie caps | | $17.99 |
| now foods, tri-amino | 120 capsules | | $19.99 |
| now foods, true focus | 90 veggie caps | | $19.99 |
| now foods, whey protein isolate natural unflavored | 5 lb | | $74.99 |
| nsc, nsc pro shot 12 x 25g vials fruit blast | | | $75.95 |
| nsc, nsc pro shot 12 x 25g vials orange | | | $75.95 |
| optimum nutrition, optimum nutrition superior amino 2222 caps 150 capsules | | | $22.99 |
| optimum nutrition, optimum nutrition superior amino 2222 liquid fruit punch 2 pound | | | $27.40 |
| optimum nutrition, superior amino acid liquid 2222 optimum nutrition amino acid complex 16 fl oz | | | $33.98 |
| pain and stress center products, 5 htp 50mg 60 capsules | | | $15.95 |
| petmax, hip health with glucosamine | 7 oz | | $24.29 |
| petmax, hip health with glucosamine | 14 oz | | $40.49 |
| pines, mighty greens blend 8 oz 8 powders | | | $37.59 |
| pure advantage, vanilla vegan complete | 1.42 lb | | $32.95 |
| pure encapsulations, amino-nr | 180 veggie caps | | $26.90 |
| pure encapsulations, anti-fatigue complex | 240 veggie caps | | $53.40 |
| pure encapsulations, aqua-balance | 180 veggie caps | | $25.70 |
| pure encapsulations, cleardetox natural pineapple coconut flavor | | | $46.00 |
| pure encapsulations, cognitive & calming | 120 veggie caps | | $21.90 |
| pure encapsulations, cognitive amino | 120 veggie caps | | $37.60 |
| pure encapsulations, cognitive aminos | 60 veggie caps | | $21.50 |
| pure encapsulations, daily stress formula | 90 veggie caps | | $25.80 |
| pure encapsulations, electrolyte/energy formula | | | $20.50 |
| pure encapsulations, emotional wellness | 60 veggie caps | | $59.80 |
| pure encapsulations, essential aminos | 180 veggie caps | | $33.11 |
| pure encapsulations, g.i. comfort | | | $22.80 |
| pure encapsulations, g.i. fortify | | | $27.60 |
| pure encapsulations, g.i. integrity | 240 veggie caps | | $49.00 |
| pure kidz, vanilla protein powder plus | 1.42 lb | | $32.95 |
| renew life, intestinew | 90 veggie caps | | $35.99 |
| smart basics, smart basics organic hemp protein high fiber drink mix 16 oz | | | $7.79 |
| solaray, solaray veglife 5 htp 50 mg 30 capsules | | | $11.19 |
| source naturals, l-tryptophan | 1.77 oz | | $38.98 |
| source naturals, l-tryptophan | 60 capsules | 500 mg | $19.98 |
| source naturals, source naturals l tryptophan 500mg 120 capsules | 120 capsules | | $38.50 |
| thorne research, l-tryptophan | 60 veggie caps | | $31.75 |
| thorne research, medipro hypo allergenic | 18 oz | | $38.40 |
| twinlab, 100% whey protein fuel mass | 2 lb | | $28.49 |
| twinlab, 100% whey protein fuel mass | 5 lb | | $56.99 |
| twinlab, amino fuel 1000 body building amino acids | 250 tablets | | $36.99 |
| twinlab, amino fuel 2000 | 150 tablets | | $36.95 |
| twinlab, genuine brewer's yeast | 18 oz | | $13.99 |
| twinlab, unflavored vege fuel | 1.18 lb | | $14.50 |
| twinlab, vanilla super gainers fuel pro | 10.3 lb | | $79.99 |
| vega ( sequel ) naturals, activation hormone free natural hcg alternative 30 day 2 ounces | | | $49.99 |
| vega ( sequel ) naturals, tryptophan as 5htp with valerian 30s | | | $10.95 |
| vitalabs, athletes amino | | | $24.95 |
| vpx sports, vpx power hit fruit fusion 6 count 3 ounce bottle | 24pk/3oz | | $62.02 |
| wakunaga - kyolic, antioxidant kyo-chlorella | 120 tablets | | $21.95 |
| wellements, wellements pro blend 55 cappuccino 55 grams 2 lb powder | | | $39.95 |
| wellements, wellements pro blend 55 chocolate 2 lb powder | 2 | | $39.95 |
| wellements, wellements pro blend 55 strawberry twist 2 lb powder | | | $39.95 |
| world organic, world organic spark of health multi liquid 32 fl oz | | | $25.80 |
