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Clark All-in-One

product on market Powder Dr. Clark Research Association Dr. Clark Zentrum Safety: 99/100
99/100

This product looks safe

  • Magnesium: 418mg is 1.2× the Tolerable Upper Intake Level (350mg)
  • Niacin: 77mg is 2.2× the Tolerable Upper Intake Level (35mg)
  • 48% of ingredients have research evidence
D Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

The primary listed ingredients consist of basic macronutrients and minerals, which provide foundational energy and electrolyte support. There is strong evidence for the general roles of these components in human physiology. However, the overall evidence coverage for this specific formulation is limited.

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

Alerts

Safety Alerts

Magnesium: 418mg is 1.2× the Tolerable Upper Intake Level (350mg)

Niacin: 77mg is 2.2× the Tolerable Upper Intake Level (35mg)

Label

Product Label

Label for Clark All-in-One
Open Full PDF View on NIH DSLD →
Details

Label Data

20 Gram(s)
Serving Size
30
Servings
Other Combinations
Product Type
48%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Calories
70 Calorie(s)
Total Fat
1.5 Gram(s) (2% DV)
Cholesterol
Sodium
75 mg (3% DV)
Total Carbohydrates
9 Gram(s) (3% DV)
Protein
5 Gram(s) (10% DV)
Vitamin C
566 mg (943% DV)
15 mcg (100% DV)
Within RDA (1.0× RDA) 608 studies (A:16, B:251)
Calcium
411 mg (41% DV)
Iron
3 mg (17% DV)
Potassium
410 mg (12% DV)
50 mg
Market median: 600.0mg (200 products) 7 studies (A:0, B:1)
Acerola extract
50 mg
Aronia Extract
50 mg
Market median: 4.0mg (47 products)
Beet
100 mg
340 mcg
11.3× RDA — above typical dose 27 studies (A:0, B:11)
Broccoli
500 mg
Calcium
256.88 mg
10.0× RDA — above typical dose 2 studies — no high-quality reviews
Market median: 4002.0mg (1 products) 21 studies (A:0, B:2)
10 mg
Market median: 125.0mg (294 products) 38 studies (A:1, B:7)
80 mcg
2.3× RDA — within safe limits 199 studies (A:1, B:55)
Market median: 500.0mg (283 products) 174 studies (A:0, B:62)
Coconut Oil
2000 mg
1 mg
1.1× RDA — within safe limits 37 studies (A:0, B:11)
Cranberry
50 mg
800 mcg
2.0× RDA — within safe limits 226 studies (A:10, B:105)
Market median: 120.0mg (440 products) 191 studies (A:1, B:71)
Market median: 260.0mg (249 products) 158 studies (A:4, B:61)
Guar Gum
750 mg
Hesperidine
15 mg
Kale
500 mg
200 mg
Market median: 500.0mg (159 products)
20 mg
Market median: 10.0mg (105 products) 2 studies (A:0, B:1)
418 mg
Exceeds UL by 1.2× (UL: 350 mg) 316 studies (A:8, B:159)
2 mg
Within RDA (0.9× RDA) 9 studies — no high-quality reviews
Monk Fruit
300 mg
MSM
500 mg
Market median: 1000.0mg (2 products)
77 mg
Exceeds UL by 2.2× (UL: 35 mg) 196 studies (A:5, B:63)
OPC
30 mg
Market median: 100.0mg (284 products) 10 studies (A:0, B:4)
Potassium
400 mg
Market median: 80.0mg (20 products) 337 studies (A:8, B:183)
50 mg
Market median: 500.0mg (283 products) 174 studies (A:0, B:62)
10 mg
Market median: 167.0mg (311 products) 183 studies (A:0, B:65)
Rice Protein powder
5 Gram(s)
10 mg
Market median: 500.0mg (19 products)
Market median: 320.0mg (426 products) 26 studies (A:0, B:5)
200 mcg
3.6× RDA — above typical dose (UL: 0.4 mg) 173 studies (A:0, B:67)
Tomato powder
10 mg
600 mg
Market median: 450.0mg (254 products) 243 studies (A:0, B:100)
Vanilla powder
1.5 Gram(s)
Vitamin A
900 mcg
40 mg
33.3× RDA — above typical dose 76 studies (A:0, B:33)
500 mcg
208.3× RDA — above typical dose 139 studies (A:1, B:44)
50 mg
38.5× RDA — above typical dose 13 studies (A:0, B:1)
15 mg
11.5× RDA — above typical dose (UL: 100 mg) 114 studies (A:3, B:35)
2000 IU
3.3× RDA — above typical dose (UL: 0.1 mg) 608 studies (A:16, B:251)
200 IU
8.9× RDA — above typical dose (UL: 1000 mg) 179 studies (A:3, B:90)
20 mg
1.3× RDA — within safe limits 179 studies (A:3, B:90)
100 mcg
Within RDA (0.8× RDA) 275 studies (A:9, B:175)
100 mcg
Within RDA (0.8× RDA) 275 studies (A:9, B:175)
20 mg
1.8× RDA — within safe limits 263 studies (A:6, B:134)
Black Pepper
5 mg
Beta Glucan
200 mg
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested Use: Adults: One scoop daily (approx. 20 g). Scoop is inside. For best results, blend thoroughly with a shaker so the powder is evenly distributed.

For a sweet treat: Add it to your smoothie or fruit juice. For the coffee lover: Mix it in with your iced coffee or latte. For the health conscious: Add to any type of milk, whey, or yogurt. For the purist: Use just fresh water without additional taste influences.

Warnings & Precautions

Cautions: Dietary supplements should not replace a balanced diet. Do not use past expiration date printed on label. Do not exceed recommended daily intake.

Keep away from children.

Formulation Notes

Clark All-in-One provides: Support for physical and mental well-being A healthy energy boost Essential nutrient support Simple once-a-day dosing

What you get: All vitamins, minerals, trace elements and plant extracts in optimal dosage High-quality amino acids for organic protein control A wide-range of plant based antioxidants Natural immune support Optimal nutrient distribution thanks to our available formulation Carefully controlled raw materials

No sugar, gluten, artificial flavoring or coloring, or preservatives

Vitamins Minerals Amino Acids Plant Extracts Enzymes

Additional Information

Store at room temperature.

Metadata

Product Details

DSLD Entry Date2021-09-24
Product TypeOther Combinations
FormPowder
BrandDr. Clark Research Association Dr. Clark Zentrum
DSLD ID255085
Data Updated2026-04-11
Research

Research Evidence

188
Research Sources
56
Avg Quality
101
Meta Analysis
58
Systematic Review
15
Clinical Trial
13
Rct
1
Openfda Safety
A The effect of Green green tea consumption on body mass index, lipoprotein, liver enzymes, and liver cancer: An updated systemic review incorporating a meta-analysis
Meta Analysis Critical reviews in food science and nutrition 2024 PubMed DOI
A Green Tea Consumption and Risk of Breast Cancer and Recurrence-A Systematic Review and Meta-Analysis of Observational Studies
Meta Analysis Nutrients 2018 PubMed DOI
A Green tea (Camellia sinensis) for the prevention of cancer
Meta Analysis The Cochrane database of systematic reviews 2020 PubMed DOI
A The Effect of Antioxidant Polyphenol Supplementation on Cardiometabolic Risk Factors: A Systematic Review and Meta-Analysis
Meta Analysis Nutrients 2024 PubMed DOI
B Green tea for weight loss and weight maintenance in overweight or obese adults
Meta Analysis The Cochrane database of systematic reviews 2012 PubMed DOI
B Green tea consumption and risk of pancreatic cancer: a meta-analysis
Meta Analysis Nutrients 2014 PubMed DOI
B Safety and Effectiveness of Oral Nutraceuticals for Treating Acne: A Systematic Review
Systematic Review JAMA dermatology 2023 PubMed DOI
B Dietary Strategies for Weight Loss Maintenance
Meta Analysis Nutrients 2019 PubMed DOI
B Green and black tea for the primary prevention of cardiovascular disease
Meta Analysis The Cochrane database of systematic reviews 2013 PubMed DOI
B Risk factors for stomach cancer: a systematic review and meta-analysis
Meta Analysis Epidemiology and health 2020 PubMed DOI
View all evidence for Green Tea →
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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.