L-Tryptophan 500mg, 60 Capsules
Sleep Supplements by Source Naturals
Sold as “Source Naturals, L-Tryptophan 500mg - 60 Capsules”
Quality score
Very goodCategory average
72/ 100
in Sleep Supplements
Supports 16 goals and 28 benefits, based on 3 supplements and 5,963 published studies.
- Price
- $10 – $15
- Servings
- 20
- Price/serv
- $0.45 – $0.65
- Cheaper than
- 87%
- of Sleep Supplements products
Supplement Facts
Serving size: 3 Capsule(s) · 20 servings per container
| Iron | 600 mcg | 3% |
| L-Tryptophan | 1.5 g | - |
| Niacin | 25 mg | - |
Suggested use: 1 capsule three times daily, between meals and preferably with fruit juice. To support restful sleep, take an additional 3 capsules before bed.
Other ingredients
Evidence from published research
Goals
- Cognition4 benefits from 3 supplements
- Fitness4 benefits from 2 supplements
- Stress & Mood3 benefits from 3 supplements
- Essential Health3 benefits from 2 supplements
- Hair & Skin3 benefits from 2 supplements
- Cardiovascular3 benefits from 1 supplement
- Energy2 benefits from 3 supplements
- Longevity2 benefits from 1 supplement
- Immune Support1 benefit from 2 supplements
- Men's Hormones1 benefit from 2 supplements
- Fertility1 benefit from 1 supplement
- Growth & Development1 benefit from 1 supplement
- Organ Function1 benefit from 1 supplement
- Sleep1 benefit from 1 supplement
- Weight Management1 benefit from 1 supplement
- Women's Hormones1 benefit from 1 supplement
Benefits
- Energy & FatigueStrong
From Iron, Niacin, Tryptophan
- Pregnancy supportStrong
From Iron
- Growth supportStrong
From Iron
- Focus & concentrationStrong
From Iron, Tryptophan
- Mental clarityStrong
From Iron, Niacin, Tryptophan
- ProductivityStrong
From Iron
- Exercise recoveryStrong
From Iron, Tryptophan
- CholesterolStrong
From Niacin
- Mood balanceStrong
From Iron, Tryptophan
- Workout performanceStrong
From Iron
- Immune supportStrong
- Heart healthStrong
From Niacin
- MetabolismStrong
From Niacin
- Blood circulationStrong
From Niacin
- Skin healthStrong
From Niacin
- Skin appearanceStrong
From Iron
- Stress & AnxietyStrong
From Tryptophan
- Hair & NailsStrong
From Iron
- Nerve healthStrong
From Niacin
- Brain healthStrong
From Niacin
- WellbeingStrong
From Tryptophan
- Cell healthStrong
From Niacin
- Stress resilienceStrong
From Iron, Niacin, Tryptophan
- Sleep qualityStrong
From Tryptophan
- Healthy agingStrong
From Niacin