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Diet-Phen

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

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 50% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

This formula contains B vitamins, chromium, and calcium, which are associated with energy metabolism and blood glucose regulation. However, the overall evidence coverage for this specific ingredient combination is very limited. Research on these individual nutrients is generally strong, but their collective efficacy for weight management is not well-established.

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

Label

Product Label

Label for Diet-Phen
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Tablet(s)
Serving Size
90
Servings
Other Combinations
Product Type
50%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

16 mg (80% DV)
1.1× RDA — within safe limits 196 studies (A:5, B:63)
16 mg (800% DV)
12.3× RDA — above typical dose (UL: 100 mg) 114 studies (A:3, B:35)
Calcium
85 mg (8% DV)
130 mcg (108% DV)
3.7× RDA — above typical dose 199 studies (A:1, B:55)
Sodium
5 mg (1% DV)
Market median: 300.0mg (240 products) 20 studies — no high-quality reviews
L-Phenylalanine
333 mg
Market median: 495.0mg (70 products)
Market median: 500.0mg (861 products) 61 studies (A:4, B:13)
Market median: 260.0mg (249 products) 158 studies (A:4, B:61)
Yerba Mate extract
66 mg
66 mg
Market median: 200.0mg (198 products) 6 studies — no high-quality reviews
33 mg
Market median: 250.0mg (337 products) 127 studies (A:1, B:41)
Market median: 167.0mg (311 products) 183 studies (A:0, B:65)

Other Ingredients

Dibasic Calcium Phosphate Stearic Acid modified Cellulose Gum Silica
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested Use: 1 to 2 tablets in the morning 1/2 hour before breakfast, and one tablet 1/2 hour before lunch. Use in conjunction with the Maximum Metabolism Weight Loss Plan. Do not take before bedtime. Do not exceed 3 tablets daily. Not intended for prolonged use or by those under medical supervision. Do not consume alcohol while using this product.

Warnings & Precautions

Contains wheat.

Warning: Do not exceed directed amount. Each tablet contains 46 mg of caffeine, which is approximately equal to half a cup of coffee.

If you are pregnant, may become pregnant, breastfeeding, or have any type of medical condition, consult your healthcare professional before using this product. Do not use this product while taking any medication without the advice of your physician or pharmacist. St. John's wort is known to interfere with many prescription and non-prescription drugs, and it may also cause increased photosensitivity; limit exposure to UV radiation.

Discontinue use if nervousness, tremor, sleeplessness, or nausea occur. Contains phenylalanine. Not to be used by phenylketonurics.

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

Keep out of the reach of children. Not intended for use by persons under the age of 18.

Formulation Notes

With St. John's Wort

Diet-Phen can support a healthy metabolism and energy levels. St. John's wort, standardized to 0.3% hypericins, can help support a positive mood. L-Phenylalanine is the precursor to a neurostransmitter that helps support an alert state.

Contains no dairy, egg, or soy. Contains no sugar, preservatives, or artificial color, flavor or fragrance.

Metadata

Product Details

UPC / SKU0 21078 01127 9
DSLD Entry Date2020-02-26
Product TypeOther Combinations
FormTablet or Pill
BrandSource Naturals
DSLD ID213987
Data Updated2026-04-11
Research

Research Evidence

241
Research Sources
55
Avg Quality
113
Meta Analysis
75
Systematic Review
32
Rct
11
Clinical Trial
3
Other
3
Regulatory Source
1
Cochrane Review
1
Narrative Review
1
Openfda Safety
A Niacin for primary and secondary prevention of cardiovascular events
Meta Analysis The Cochrane database of systematic reviews 2017 PubMed DOI
A Use of high potency statins and rates of admission for acute kidney injury: multicenter, retrospective observational analysis of administrative databases
Meta Analysis BMJ (Clinical research ed.) 2013 PubMed DOI
A Effect on cardiovascular risk of high density lipoprotein targeted drug treatments niacin, fibrates, and CETP inhibitors: meta-analysis of randomised controlled trials including 117,411 patients
Meta Analysis BMJ (Clinical research ed.) 2014 PubMed DOI
A A terminal metabolite of niacin promotes vascular inflammation and contributes to cardiovascular disease risk
Meta Analysis Nature medicine 2024 PubMed DOI
A Meta-analysis and imputation refines the association of 15q25 with smoking quantity
Meta Analysis Nature genetics 2010 PubMed DOI
A Genome-wide meta-analyses identify multiple loci associated with smoking behavior
Meta Analysis Nature genetics 2010 PubMed DOI
A Antidepressants for smoking cessation
Meta Analysis The Cochrane database of systematic reviews 2014 PubMed DOI
A Topical azelaic acid, salicylic acid, nicotinamide, sulphur, zinc and fruit acid (alpha-hydroxy acid) for acne
Meta Analysis The Cochrane database of systematic reviews 2020 PubMed DOI
B Assessment of the Role of Niacin in Managing Cardiovascular Disease Outcomes: A Systematic Review and Meta-analysis
Meta Analysis JAMA network open 2019 PubMed DOI
B Association Between Lowering LDL-C and Cardiovascular Risk Reduction Among Different Therapeutic Interventions: A Systematic Review and Meta-analysis
Meta Analysis JAMA 2016 PubMed DOI
View all evidence for Niacin →
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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.