Protocol · Dental/Oral Health
Gingivitis Support Protocol
Gingivitis, the early and reversible stage of gum disease, is driven by plaque, so brushing twice a day, cleaning between the teeth and professional cleaning do the real work. Supplements are minor extras. Vitamin C has the best support, and it is moderate: in 15 trials, extra vitamin C reduced gum bleeding mainly in people whose vitamin C levels were low. Probiotics showed weak, mixed results, and CoQ10 was tested as a gel on the gums, not as a capsule. If your gums still bleed after two weeks of careful cleaning, or you take a blood thinner, see a dentist.
Sources: PMID 28362061; PMID 25639826; PMID 33517432; PMID 31682012; PMID 40186219; PMID 23493408
We are re-verifying the studies cited on protocol pages; only confirmed citations are shown.
What the evidence says
- Cleaning comes first. A European workshop review found that professional plaque removal clearly improves gum inflammation, rechargeable power toothbrushes add a small benefit, and interdental brushes are the first choice for cleaning between teeth where they fit. It found no robust evidence for anti-inflammatory agents, taken by mouth or applied to the gums, in gingivitis.
- Vitamin C: moderate evidence. Across 15 trials with 1,140 mostly healthy people, vitamin C supplements reduced the tendency of gums to bleed in people who started with low blood vitamin C; in people with normal levels the effect was small or unclear. A separate review found vitamin C helped gum bleeding in gingivitis but not in periodontitis, the later stage.
- Probiotics: limited, mixed evidence. A review of 10 placebo-controlled trials called the evidence for probiotics in gingivitis weak, and a 2025 meta-analysis found lower but not statistically significant plaque and bleeding scores in its 10 gingivitis trials.
- CoQ10: very limited evidence. The trial we found applied CoQ10 directly to the gums for 28 days in 30 people with gingivitis, and gum scores fell in every group, including scaling alone. We found no trial of CoQ10 capsules for gingivitis.
- Vitamin D and omega-3: very limited evidence for gingivitis. One 3-month trial reported falling gum scores with 500 to 2,000 IU of vitamin D a day and not with placebo, but each group was compared with its own starting point. Omega-3 has mostly been tested in periodontitis: across 13 trials it brought modest gains in gum bleeding and pocket depth.
- For comparison, a chlorhexidine mouthrinse used with brushing for 4 to 6 weeks cut plaque a lot but lowered gum inflammation only slightly in mild gingivitis, in a Cochrane review of 51 studies.
Safety and when to see a clinician
- Omega-3 at the 2 to 3 g a day listed is a heart-trial dose. In 15 heart-prevention trials, omega-3 supplements raised the risk of atrial fibrillation (an irregular heartbeat) by about 25%, though bleeding problems did not differ. Ask your doctor first if you have a heart rhythm problem or take a blood thinner.
- Chlorhexidine rinses stain teeth when used for 4 weeks or longer and can change taste or irritate the mouth.
- See a dentist if your gums still bleed after two weeks of careful cleaning, if gums pull back or teeth feel loose, or if you bleed more than usual while taking a blood thinner.
The stack
5 supplements · none graded yet
| Grade | Supplement | Amount listed | Why it’s in the stack | Evidence on file |
|---|---|---|---|---|
| Primary stackThe core of this protocol | ||||
| Coenzyme Q10 | Amount listed: 100–200 mg daily | Tested as a gel applied to the gums in one small trial, not as a capsule | Not graded yet | |
| Vitamin C | Amount listed: 500–1,000 mg daily | Essential for collagen synthesis in gum tissue; deficiency causes bleeding gums | Not graded yet | |
| Supporting stackListed as additions to the core | ||||
| Vitamin D | Amount listed: 2,000–4,000 IU daily | Supports immune function and may reduce gum inflammation | Not graded yet | |
| Omega-3 Fatty Acids | Amount listed: 2–3 g EPA+DHA daily | Anti-inflammatory; may reduce gum inflammation | Not graded yet | |
| Probiotics (Oral) | Amount listed: Oral probiotic lozenges (L. reuteri) daily | Oral probiotics may reduce pathogenic bacteria in mouth
| Not graded yet | |