C-1000 Plus®

Other Combinations

Brand: Progressive Professional from Progressive Laboratories

CapsuleOther CombinationsOn Market

Functions

Immune Support

Product label for C-1000 Plus — Click to view full label

Net Contents

250 Capsule(s)

Serving Size

3 Capsule(s)

Servings Per Container

Supplement Form

Capsule

Bar Code (UPC/SKU)

3 51821 04532 0

Product Version

Reeorder No. 4532 Rev. L1819

Label Analysis

Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.

4Active Ingredients

4 distinct active ingredients are disclosed in Supplement Facts.

100%Amount Transparency

Label includes a proprietary blend, so some individual amounts are not itemized.

1% Daily Value Coverage

1 ingredients report a %DV; 1 meet or exceed 100% DV.

This analysis is generated algorithmically from label data for educational reference only. It is not a product endorsement, ranking, or medical advice.

Supplement Facts

Serving Size: 3 Capsule(s) · 1 per day

Ingredient	Amount Per Serving	% Daily Value
Vitamin C	1000 mg	1666%
Citrus Bioflavanoids	1000 mg	—
Rutin	100 mg	—
Proprietary Blend	25 mg	—
Rose Hip, Powder	—	—
Acai berry extract	—	—
Yellow Pepper Fruit Extract	—	—
Spleen, Powder	—	—

Not Present

Other Ingredients

Rice FlourGelatinVegetable Lubricant

Target Groups

Adult (18 - 50 Years)

Label Claims

All Other

Directions & Suggested Use

Suggested/Recommended/Usage/Directions

Directions:Three capsules daily, or more, as directed careprofessional.

Warnings & Precautions

Precautions re: Pregnant or Nursing or Prescription Medications

Pregnant and/or lactating women should consult their physician prior to use.

Precautions re: All Other

Tamper evident band around cap and seal on bottle. Do not use if either seal is broken or missing.

Precautions re: Children

Keep out of the reach of children.

Formulation

Formulation re: Other

Progressive Laboratories manufactured this product in its 3rd party GMP-inspected facility. (Good Manufacturing Practices)

Formula re: Contains

Vitamin C Plus Bioflavonoids

FDA Statements

FDA Statement of Identity

Dietary Supplement

Other Label Statements

General Statements: All Other Content

Sold only for dispensing by a licensed health professional.

Seals/Symbols

GMP Good Manufacturing Practice Certified GMP Compliant 21 CFR 111

Brand IP Statement(s) re: (c), (TM), (SM)

Progressive Professional from Progressive Laboratories

Manufacturer & Distributor

Manufacturer

Progressive Laboratories, Inc.

Irving, Texas, 75038

1-800-527-9512

Market Reference

$10.00 – $65.00· 16 listings

Professional Formulas 180 Capsules
Advance Nutrition4.0(1)
$34.00
Progressive Labs C-1000 Plus 90 Capsules
OVitaminPro.com5.0(5)
$52.00
Progressive Labs C-1000 Plus 453
Advance Nutrition5.0(5)
$29.00
C-1000 Plus 250 Capsules
frogshopfitness.com5.0(5)
$49.99
Vitamin C 1000 Plus
personalpower
$18.00
Progressive Labs G/C 1000 Capsules
Herbs Direct5.0(3)
$65.00
C-1000 Plus (100 tab.)
vitamin360.com3.0(1)
$27.17
Progressive Labs C Buffered with Bioflavonoids 90
Supplement First4.0(1)
$27.00

Where to Buy Locally

Enter your city or ZIP code to find supplement & health stores in your area that may carry this product.

Showing representative supplement & health retailers — search above for stores in your area.

Health & Nutrition Center
3.5 (100)
Grocery store
15 New Paltz Plaza, New Paltz, NY 12561
Directions (845) 256-0256
The Vitamin Shoppe
4.7 (108)
Vitamin & supplements store
1936 South Rd, Poughkeepsie, NY 12601
Directions (845) 296-0790
The Vitamin Shoppe
4.7 (123)
Vitamin & supplements store
1217 NY-300, Newburgh, NY 12550
Directions (845) 567-1850
The Vitamin Shoppe
4.4 (75)
Vitamin & supplements store
1273 Ulster Ave, Kingston, NY 12401
Directions (845) 382-6910
The Vitamin Shoppe
4.6 (156)
Vitamin & supplements store
473 NY-211, Middletown, NY 10940
Directions (845) 343-4047

Research & Studies

Effects of Vitamin C on Mental Vitality in Young Adults
심민주 - 2023 - s-space.snu.ac.kr
… Data on smoking status, alcohol consumption, physical activity, and vitamin C supplement use … -controlled vitamin C supplementation trial was performed in otherwise healthy men and …
2023
Dietary supplementation for fatigue symptoms in myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS)—a systematic review
MC Dorczok, G Mittmann, N Mossaheb, B Schrank… - Nutrients, 2025 - mdpi.com
… detailed medical history [14]. Collaboration between various … Based on Directive 2002/46/EC, dietary supplements are … or physiological effects intended to supplement a normal diet. …
202512 citations
Micronutrients in women's health and immune function
A Bendich - Nutrition, 2001 - Elsevier
… supplementation has reduced the risk of serious birth defects, premature delivery, and low birth weight by 50% and improved maternal health … that calcium supplementation and high …
2001114 citations
Role of Vitamins and Minerals in Controlling Macular Degeneration
SN Jani, HB Katariya, BG Prajapati - Macular Degeneration, 2026 - api.taylorfrancis.com
… They will assist the healthcare professional in … E supplementation have little effect on the development of AMD. The same is presumably true for vitamin C plus the vitamin supplement (…
2026
Dietary supplementation for fatigue symptoms in myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS)—a systematic review. Nutrients. 2025; 17 (3) …
MC Dorczok, G Mittmann, N Mossaheb - doi. org/10.3390/nu17030475 - researchgate.net
… and active stages of their personal and professional development. [6–8… detailed medical history [14]. Collaboration between various … Laboratory Parameters Supradyn® supplementation …
33901 citations
F2-Isoprostanes in Human Health and Diseases: From Molecular Mechanisms to Clinical Implications
S Basu - Antioxidants & redox signaling, 2008 - journals.sagepub.com
… diseases, also associated with progressive aging and certain … plus free), and others, only free compound, each laboratory … A number of studies with supplementation of CLA in healthy …
2008352 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2022-05-19. DSLD Label ID: 261470. This information is provided for educational reference only and is not medical advice. Always follow the product label and consult a doctor or pharmacist before use.