NOW Foods C-500 with Rose Hips – 100 Tablets (Item #N0670)
Daily Cellular Antioxidant Protection, Collagen Synthesis, and Targeted Immune Defense
Looking for an effective, stomach-friendly way to maintain everyday immune defense and radiant skin? NOW® C-500 with Rose Hips delivers 500 mg of pure Vitamin C (as ascorbic acid) paired with 40 mg of genuine rose hip powder (Rosa canina). This balanced formula provides sustained daily antioxidant support without the digestive discomfort or nutrient waste commonly seen with high-dose 1,000 mg tablets.
Quick Product Summary:
Target Dosage: 500 mg Vitamin C (556% Daily Value) per 1-tablet serving.
Synergistic Botanical: 40 mg Rose Hips powder for added natural polyphenols.
Purity Assured: Screened for heavy metals and verified in ISO/IEC 17025 accredited labs.
Diet-Friendly: Vegan, non-GMO, Kosher (Triangle K), Halal, and free from common allergens.
Authenticity Guaranteed: Shipped fresh from VitaNet, LLC, a family-owned Ohio retailer serving health seekers since 1995[cite: 1].
Why 500 mg with Rose Hips Is the Optimal Daily Dose
In nutritional science, more is not always better. When choosing a Vitamin C supplement, how much your body can actually take in matters more than high numbers on a label:
The Gut Transporter Bottleneck: Your intestinal wall uses specialized doorways called sodium-dependent vitamin C transporters (SVCT1) to carry Vitamin C into your blood. At 500 mg, your body absorbs roughly 70% to 80% of the nutrient. When you take single mega-doses of 1,000 mg to 2,000 mg, these doorways quickly become overwhelmed, reducing absorption to under 50% while passing the excess unabsorbed acid into your lower gut.
Gentler on Sensitive Stomachs: Unabsorbed ascorbic acid drawing water into the colon is the primary cause of loose stools and gas. A 500 mg tablet stays comfortably within the digestive sweet spot, giving you reliable cellular delivery without tummy distress.
The Rose Hip Advantage: Rose hips are the nutrient-dense seed pods left behind after wild roses bloom. Rich in natural bioflavonoids, polyphenols, and proanthocyanidins, rose hips help shield ascorbic acid from rapid oxidation, helping the nutrient stay active in your tissues longer.
Key Takeaway: Taking one 500 mg tablet once or twice daily provides stronger, longer-lasting circulating antioxidant levels than taking a single giant mega-dose that your kidneys quickly clear away.
NOW Foods Quality Testing: Setting the Standard for Purity
Dietary supplements cannot protect your health if they carry unwanted contaminants. Unlike brands that rely solely on unverified third-party certificates, NOW Foods subjects every single lot to comprehensive in-house analytical testing:
✓ ISO/IEC 17025 Accredited In-House Labs
NOW operates private analytical and microbiological laboratories accredited by A2LA to ISO/IEC 17025 standards, employing more than 150 dedicated chemists, toxicologists, and microbiologists.
✓ Over 31,000 Quality Tests Per Month
Every incoming raw material batch, in-process blend, and finished bottle goes through extensive verification to ensure label accuracy and verify purity.
✓ ICP-MS Heavy Metal Screening
Utilizing Inductively Coupled Plasma Mass Spectrometry (ICP-MS), raw botanicals are tested down to parts-per-billion (ppb) for lead, arsenic, cadmium, and mercury to meet strict safety limits.
✓ HPTLC Botanical Identity Verification
High-Performance Thin-Layer Chromatography (HPTLC) generates a chemical fingerprint of rose hips to ensure genuine Rosa canina fruit is used rather than diluted fillers.
Clean & Safe Standards: Batches are screened with Tandem Mass Spectrometry (LC-MS/MS and GC-MS/MS) to ensure they are free from pesticide residues, industrial solvents, and microbial contaminants like salmonella and E. coli.
Complete Supplement Facts & Ingredient Listing
Verified directly against NOW Foods official product specifications (Item 0670 / N0670, UPC 733739006707):
Supplement Facts
Serving Size: 1 Tablet
Servings Per Container
100
Vitamin C (as Ascorbic Acid)
500 mg (556% Daily Value)
Rose Hips Powder (Rosa canina) (Fruit)
40 mg († Daily Value not established)
Other Ingredients: Microcrystalline Cellulose, Stearic Acid (vegetable source), Magnesium Stearate (vegetable source), Silicon Dioxide, and Vegetarian Coating.
Allergen Information: Not manufactured with wheat, gluten, soy, milk, egg, fish, shellfish, or tree nut ingredients. Produced in an audited GMP facility that processes other ingredients containing these allergens.
How to Take C-500 with Rose Hips for Maximum Results
Follow these practical steps to get the most benefit out of every tablet:
Suggested Daily Routine
Take 1 tablet 1 to 3 times daily. For general wellness, 1 tablet per day with breakfast is an effective baseline. During times of physical stress, 1 tablet morning and evening helps maintain stable levels.
Always Take With Food
Taking Vitamin C alongside a meal buffers natural acidity and prevents stomach irritation. Mealtime digestion also slows gastrointestinal transit, giving gut transporters more time to absorb the ascorbic acid.
Pairing with Plant-Based Iron
Vitamin C reduces non-heme iron (the form found in beans, lentils, and spinach) into a more bioavailable state, significantly increasing healthy iron uptake in vegetarians and vegans.
Important Safety Considerations, Edge Cases, and Interactions
Vitamin C is a water-soluble vitamin with a well-established safety profile, but certain health situations require mindful supplementation:
Calcium Oxalate Kidney Stones: When your body metabolizes Vitamin C, a portion is converted into oxalate. If you have a personal history of calcium oxalate kidney stones, avoid high doses and consult your physician before supplementing above the Daily Value.
Hemochromatosis & Iron Overload: Because Vitamin C enhances non-heme iron absorption, individuals with hemochromatosis, thalassemia, or other iron storage conditions should monitor their intake closely.
G6PD Deficiency: People diagnosed with glucose-6-phosphate dehydrogenase deficiency should take Vitamin C only under close medical supervision to prevent red blood cell hemolysis.
Medication Interactions: Ascorbic acid can interact with blood thinners like Warfarin, statins, chemotherapy regimens, and certain lab tests (such as stool occult blood or fingerstick blood sugar readings).
Note: For adult use only. If you are pregnant, nursing, taking prescription medications, or under medical care for a chronic condition, speak with your healthcare provider before beginning any new supplement regimen.
Why Order from VitaNet, LLC? Trusted Heritage Since 1995
Ordering vitamins online should never feel like a gamble with unverified third-party resellers. At VitaNet, LLC, we offer real family-owned accountability[cite: 1]:
✓ 31+ Years of Industry Trust
Founded in 1995 as an independent, family-owned health retailer in Hartville, Ohio, VitaNet brings over 31 years of nutritional wellness experience[cite: 1].
✓ 100% Risk-Free Money-Back Guarantee
Shop with peace of mind. VitaNet offers a 100% money-back guarantee on all products and pays return shipping even on opened bottles[cite: 1].
✓ Real Customer Service
Speak with knowledgeable staff based right at our Ohio storefront by calling toll-free at 1-800-877-8702 or direct at 330-877-8786[cite: 1].
Why are rose hips included in this Vitamin C formula?
Rose hips are the natural fruit pods of wild roses (Rosa canina). They naturally contain Vitamin C, bioflavonoids, and polyphenols. Combining rose hips with ascorbic acid mirrors how nutrients appear in whole food sources, helping protect Vitamin C against rapid breakdown while providing broader antioxidant support.
Why choose a 500 mg dose instead of 1,000 mg?
Clinical research shows that your intestinal absorption channels absorb 500 mg much more efficiently than a single 1,000 mg tablet. When you take a 1,000 mg pill, up to half of the vitamin can go unabsorbed and wash out of your system, which can also trigger stomach cramping or loose stools. A 500 mg dose offers high bioavailable uptake while remaining gentle on digestion.
How does NOW Foods test for heavy metals and purity?
NOW Foods maintains in-house ISO/IEC 17025 accredited laboratories conducting over 31,000 analytical tests each month. They utilize Inductively Coupled Plasma Mass Spectrometry (ICP-MS) to screen for lead, mercury, cadmium, and arsenic down to parts-per-billion levels, verifying that heavy metal levels stay well below FDA and internal safety standards. They also use High-Performance Thin-Layer Chromatography (HPTLC) to verify that raw botanicals are authentic.
Is NOW C-500 with Rose Hips suitable for vegans and individuals with allergies?
Yes. This formula uses a vegetarian tablet coating and is certified vegan. It is formulated without wheat, gluten, soy, milk, egg, fish, shellfish, or tree nut ingredients, and is certified Kosher (Triangle K) and Halal.
How should I store this product after opening?
Because Vitamin C and rose hip powder naturally react to moisture and light, store the bottle tightly capped in a cool, dry pantry or cupboard. Avoid keeping your bottle in hot, humid places like bathroom medicine cabinets or directly beside kitchen stoves.
