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St. John's Positive Thoughts

product on market Tablet or Pill Source Naturals Safety: 98/100
98/100

This product looks safe

  • Niacin: 50mg is 1.4× the Tolerable Upper Intake Level (35mg)
  • Folate: 1360mg is 1360.0× the Tolerable Upper Intake Level (1.0mg)
  • 50% of ingredients have research evidence
D Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

This product contains Vitamin C and B vitamins, which support immune function and energy metabolism. There is strong research evidence for these nutrients, though the overall evidence coverage for this specific formulation is limited. The profile maintains a high safety score.

AI-generated summary based on research evidence. Not medical advice.

Alerts

Safety Alerts

Niacin: 50mg is 1.4× the Tolerable Upper Intake Level (35mg)

Folate: 1360mg is 1360.0× the Tolerable Upper Intake Level (1.0mg)

Label

Product Label

Label for St. John's Positive Thoughts
Open Full PDF View on NIH DSLD →
Details

Label Data

3 Tablet(s)
Serving Size
15
Servings
Other Combinations
Product Type
50%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Calories
10 Calorie(s)
Total Carbohydrates
1 Gram(s) (1% DV)
Vitamin C
51 mg (57% DV)
25 mg (2084% DV)
20.8× RDA — above typical dose 76 studies (A:0, B:33)
25 mg (1923% DV)
19.2× RDA — above typical dose 13 studies (A:0, B:1)
50 mg (312% DV)
Exceeds UL by 1.4× (UL: 35 mg) 196 studies (A:5, B:63)
50 mg (2942% DV)
38.5× RDA — above typical dose (UL: 100 mg) 114 studies (A:3, B:35)
1360 mcg DFE (340% DV)
Exceeds UL by 1360.0× (UL: 1.0 mg) 226 studies (A:10, B:105)
50 mcg (2100% DV)
20.8× RDA — above typical dose 139 studies (A:1, B:44)
300 mcg (1000% DV)
10.0× RDA — above typical dose 27 studies (A:0, B:11)
25 mg (500% DV)
5.0× RDA — above typical dose 2 studies — no high-quality reviews
Calcium
124 mg (10% DV)
200 mg (48% DV)
Within RDA (0.5× RDA) 316 studies (A:8, B:159)
10 mg (91% DV)
Within RDA (0.9× RDA) 263 studies (A:6, B:134)
3 mg (130% DV)
1.3× RDA — within safe limits 9 studies — no high-quality reviews
Sodium
15 mg (1% DV)
Market median: 300.0mg (240 products) 20 studies — no high-quality reviews
GABA
500 mg
200 mg
Market median: 500.0mg (223 products) 24 studies (A:0, B:1)
185 mg
Market median: 500.0mg (180 products) 5 studies (A:0, B:1)
Market median: 500.0mg (138 products) 2 studies — no high-quality reviews
Lemon Balm
100 mg
Market median: 300.0mg (214 products) 25 studies (A:0, B:6)
L-Phenylalanine
100 mg
DMAE
60 mg
50 mg
Market median: 200.0mg (358 products) 9 studies (A:0, B:2)
Market median: 500.0mg (223 products) 24 studies (A:0, B:1)
Relora
50 mg

Other Ingredients

Dibasic Calcium Phosphate Stearic Acid Acacia modified Cellulose Gum Silica
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested Use: 3 tablets daily. For optimal absorption, take between meals or with a carbohydrate meal. One tablet can be taken before bedtime. For best results, use this product for at least 6 weeks, although benefits may be experienced sooner.

Warnings & Precautions

Warning: Contains phenylalanine and tyrosine.

Warning: Contains phenylalanine and tyrosine. Not to be used by phenylketonurics or with antidepressant drugs containing MAOIs or SSRIs. Do not use this product while taking any medication or if you have a medical condition, without the advice of your physician or pharmacist. St. John’s wort is known to interfere with many prescription and non-prescription drugs, including oral contraceptives, antibiotics, antidepressants, anticoagulants, antihistamines, immunosuppressants, corticosteroids, diabetes drugs, antiviral, antiseizure, anticancer and cardiovascular drugs.

It may also cause increased photosensitivity; limit exposure to UV radiation.

If you are pregnant, may become pregnant, breastfeeding, or have high blood pressure, consult your healthcare professional before using this product.

Do not use if either tamper-evident seal is broken or missing.

Keep out of the reach of children.

Formulation Notes

Supports a good mood

St. John's Positive Thoughts combines mood-soothing herbs, calming factors, and uplifting amino acids. It contains the standardized herbal extract of St. John’s wort yielding 0.3% hypericins. It also features valerian, Relora, GABA, magnesium and the amino acids taurine, N-acetyl L-tyrosine, L-theanine, and L-phenylalanine.

Metadata

Product Details

UPC / SKU0 21078 00348 9
DSLD Entry Date2022-08-23
Product TypeOther Combinations
FormTablet or Pill
BrandSource Naturals
DSLD ID272639
Data Updated2026-04-11
Research

Research Evidence

371
Research Sources
54
Avg Quality
148
Meta Analysis
82
Systematic Review
71
Rct
62
Clinical Trial
2
Regulatory Source
1
Cochrane Review
1
Narrative Review
1
Other
1
Openfda Safety
A Vitamin C supplementation in pregnancy
Meta Analysis The Cochrane database of systematic reviews 2015 PubMed DOI
A Vitamin C supplementation for the primary prevention of cardiovascular disease
Systematic Review The Cochrane database of systematic reviews 2017 PubMed DOI
A Vitamin C for preventing and treating the common cold
Meta Analysis The Cochrane database of systematic reviews 2013 PubMed DOI
A Vitamin C for preventing and treating pneumonia
Meta Analysis The Cochrane database of systematic reviews 2013 PubMed DOI
A Vitamin E supplementation in pregnancy
Meta Analysis The Cochrane database of systematic reviews 2015 PubMed DOI
A Vitamin C supplementation for prevention and treatment of pneumonia
Meta Analysis The Cochrane database of systematic reviews 2020 PubMed DOI
A Vitamin C supplementation for prevention and treatment of pneumonia
Systematic Review The Cochrane database of systematic reviews 2021 PubMed DOI
A Nutritional interventions for preventing and treating pressure ulcers
Meta Analysis The Cochrane database of systematic reviews 2024 PubMed DOI
A Does Vitamin C Supplementation Provide a Protective Effect in Periodontal Health? A Systematic Review and Meta-Analysis
Meta Analysis International journal of molecular sciences 2024 PubMed DOI
A Circulating vitamin C concentration and risk of cancers: a Mendelian randomization study
Meta Analysis BMC medicine 2021 PubMed DOI
View all evidence for Vitamin C →
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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.