Home/ Supplements/ Vitamin C/ Formula #1 OC-Classic

Formula #1 OC-Classic

product on market Liquid Physician's Signature Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 25% of ingredients have research evidence
B Label Compliance Grade

What the Evidence Says

AI-generated · Qwen 3.6 · methodology

Vitamin C and B12 are supported by strong evidence for their roles in immune function and energy metabolism. The remaining components, such as carbohydrates, provide basic caloric energy. Overall evidence coverage for this specific ingredient profile is limited.

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

Label

Product Label

Label for Formula #1 OC-Classic
Open Full PDF View on NIH DSLD →
Details

Label Data

1 tsp
Serving Size
48
Servings
Vitamin
Product Type
25%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Calories
18 Calorie(s)
Total Carbohydrates
5 Gram(s) (2% DV)
Vitamin C
175 mg (290% DV)
2 mcg (35% DV)
Within RDA (0.8× RDA) 139 studies (A:1, B:44)

Other Ingredients

Honey Royal Jelly Vitamin C Water Honeybee Pollen extract Disodium EDTA Magnesium Chloride Vitamin B12
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Directions: Take one teaspoon, twice daily.

Warnings & Precautions

Caution: Consult your physicians prior to using this product if you are pregnant, nursing, or have any pre-existing medical conditions.

Keep out of the reach of children

Do not use if seal is broken

Formulation Notes

Loaded with natural sources of vitamins B5, B6, and B12 along with vitamin C and chelating agents like royal jelly and EDTA.

With fresh Royal Jelly

Additional Information

The liquid form of Formula #1 is Vitamins Direct's original cardiovascular formulation.

Formula #1 OC-Classic is recommended by chelating physicians and practitioners throughout the USA.

Note: The color, taste, and texture of this product may vary due to its natural ingredients and/or seasonal changes.

Store in a cool, dry place

Made in the USA

Serving your family with pride Since 1889 Rawleigh

Item#100843 120916/9100843C

By W.T. Rawleigh

Metadata

Product Details

DSLD Entry Date2018-09-21
Product TypeVitamin
FormLiquid
DSLD ID181023
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 →
Compare

Similar Products

View all Vitamin C products →

This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.