If you’re fed up with recurring gum problems, sensitivity or endless dental bills, it’s tempting to look for a smarter, simpler fix. Renew Dental Support markets itself as a daily supplement that targets what the brand calls “Blood Nutrient Deficiency (BND)” — a supposed root cause behind poor oral health — and promises to restore gums, strengthen enamel and improve breath using a 30-ingredient formula. In this review I’ll break down the ingredients, the science connecting nutrients to oral health, safety notes, who may benefit and whether this product looks like a buy for people who earn commission-driven decisions.
Table of Contents
Quick verdict
Renew Dental Support is a multi-ingredient dietary supplement that contains many nutrients known to be important for oral tissues (vitamin C, vitamin D, calcium, folate, magnesium and more). Scientific literature supports a connection between some nutrient deficiencies and poorer oral health — so a well-formulated supplement can help fill gaps. Use it as a targeted nutritional support (especially if you suspect deficiencies), not as a replacement for dental care.
What is Renew Dental Support?
Renew Dental Support is a dietary supplement sold as capsules containing roughly 30 ingredients (a mix of vitamins, minerals and trace elements) marketed specifically for oral health. The brand positions the product as an “all-natural” formula made in approved facilities and claims rigorous testing and GMP processes on its product pages.

Key ingredients — what’s in the capsule and why they matter
The company lists core actives that are commonly discussed in oral-health nutrition research. Below are the most relevant ingredients and what they are known to do:
- Vitamin C (Ascorbic acid) — essential for collagen synthesis and gum tissue integrity; deficiency causes bleeding gums (scurvy) and impaired healing. Supplementation may help people with low intakes.
- Vitamin D (D-3) + Calcium — vitamin D helps calcium absorption and plays a role in bone and tooth mineralization; low levels have been associated with worse periodontal outcomes.
- Folic acid (Vitamin B9) — involved in tissue repair and cellular function; low folate levels have been linked with increased inflammation and may affect gum health.
- Magnesium, Iodine, Boron, Biotin, Vitamin A, Vitamin E — these trace minerals and fat-soluble vitamins play supporting roles in immune function, connective tissue maintenance, enamel formation and antioxidant protection. Research ties several of these nutrients to oral-tissue health, especially when dietary intake is inadequate.
Taken together, these nutrients form a plausible nutritional support strategy for oral tissues — particularly for people with poor diets, restricted eating patterns or documented deficiencies.
The science: can nutrients really change oral health?
Short answer: yes — in some people. A strong body of research links specific deficiencies (vitamin C, D, calcium, some B vitamins) to worse periodontal outcomes, enamel problems and delayed healing. Systematic reviews and recent clinical studies report moderate positive effects of correcting deficiencies on periodontal healing and tooth mineral health, though results vary and are influenced by baseline status, overall dental care and other health conditions. In other words, supplementation is most effective when it addresses a real deficiency; it is not a guaranteed cure for all cavities, infections or structural dental damage.
What the brand claims (and what to accept cautiously)
Renew Dental Support’s marketing centers on three main claims:
- BND (Blood Nutrient Deficiency) is the root cause of dental disease — there is scientific support for nutrient deficiencies contributing to oral disease, but dentistry recognizes multiple causes (plaque, bacteria, mechanical wear, genetics, systemic disease). Treating deficiencies can help, but it’s overly simplistic to call BND the sole root cause.
- Their specific 30-ingredient formula restores oral health — the ingredients are plausible and commonly used for nutritional support, but product-specific clinical trials demonstrating superiority or cure are not publicly available on the brand site. Buying a supplement for missing nutrients is reasonable; expecting rapid, universal cures is not.
- Manufactured in FDA-registered / GMP facility and triple-tested — these are manufacturer statements that improve confidence if true; however, FDA does not “approve” supplements for effectiveness (manufacturers are responsible for compliance and must follow GMPs). Look for third-party testing seals (NSF, USP) if lab-verified purity matters to you.
Safety, regulation and what to watch for
Dietary supplements are regulated differently from pharmaceuticals — the FDA does not pre-approve supplements for safety or effectiveness before they’re marketed. That makes it important to: (a) verify third-party testing if available, (b) review the label for dosages (some vitamins/minerals can be harmful in excess) and (c) discuss new supplements with a healthcare provider if you take medications or have chronic disease. For example, high vitamin D or calcium intakes have risks for certain people; folic acid interacts with some medications.
Who might benefit from Renew Dental Support?
Consider Renew Dental Support if any of the following apply:
- You have a diet low in fruit, dairy or green vegetables and suspect nutrient gaps.
- You experience gum inflammation or slow healing and your clinician finds low vitamin levels or recommends supplementation.
- You want a single multinutrient capsule focused on oral-health nutrients rather than buying multiple separate vitamins.
Avoid or use caution if: you’re pregnant, breastfeeding, have kidney disease, are taking blood thinners or other interacting drugs, or are already on high-dose vitamin therapy.
How to use (brand guidance)
Renew Dental Support recommends taking two capsules in the morning after waking (brand instructions). That’s a convenient routine, but follow label directions and your clinician’s advice — and track total daily intake of fat-soluble vitamins (A, D, E) to avoid excess.
Pros & Cons
Pros:
- Contains clinically relevant nutrients (vitamin C, D, calcium, folate, magnesium).
- Single-product convenience for people who prefer an oral-health focused formula.
- Widely available online (multiple retailers).
Cons:
- Supplements aren’t pre-approved by FDA for efficacy; quality varies across brands.
- If you don’t have a deficiency, benefits may be limited.
Buying decision: is it worth?
If your goal is to support oral-tissue health by addressing potential nutrient gaps, Renew Dental Support is a sensible, packages known oral-health nutrients together for convenience. For readers with true deficiencies or poor diets, it may produce measurable improvements when combined with good oral hygiene and dental care.
Final thoughts — my honest takeaway
Renew Dental Support packages many sensible, evidence-backed nutrients for oral health into an easy daily capsule. Research supports the role of vitamins like C and D (and minerals like calcium) in gum and tooth health, so replenishing deficits is a rational approach. However, this product should be viewed as nutritional support, not a miracle cure. If you’re struggling with ongoing dental disease, combine smart supplementation with professional dental care and lab testing — especially if you plan to take multiple or high-dose supplements.
If you want to try it: confirm the label, look for third-party testing (if available) — and track your results (gum bleeding, sensitivity, dental visits) over a few months to see if you notice change.

