The recommended dose of Viviscal is two tablets per day, taken as one tablet in the morning and one in the evening. Each tablet should be taken with water and after a meal. A standard 60-tablet box lasts 30 days at this dose.
How and When to Take Them
Splitting the two tablets across morning and evening, rather than taking both at once, is the manufacturer’s specific instruction and the protocol used in clinical trials. Taking each tablet with food serves two purposes: it helps your body absorb the marine-based ingredients more effectively, and it reduces the chance of an upset stomach. Even a small snack counts. Taking Viviscal on an empty stomach is more likely to cause nausea.
What’s in Each Daily Dose
Your two-tablet daily serving delivers 450 mg of AminoMar Marine Complex, which is a blend of marine collagen and oyster extract powder. It also provides 120 mcg of biotin. The AminoMar complex is the proprietary ingredient that distinguishes Viviscal from standard hair supplements, and it’s the component studied in clinical trials. Because the formula is marine-based, it contains fish and shellfish proteins. If you have an allergy to fish, shellfish, or acerola (a type of cherry used as a vitamin C source in the tablets), Viviscal is not a safe option for you.
How Long Before You See Results
Clinical trials testing Viviscal ran for 180 days, or about six months, with participants taking two tablets daily for the entire period. That six-month window is a realistic minimum for judging whether the supplement is working for you. Hair growth is slow, and the growth cycle means newly nourished follicles need several months to produce visible change. Most people won’t notice meaningful differences in the first month or two.
Consistency matters more than anything else with this type of supplement. Skipping days or stopping after a few weeks won’t give you useful information about whether Viviscal works for your hair. If you’re going to try it, commit to at least three to six months of daily use before evaluating results.
Who Should Avoid Viviscal
Beyond fish and shellfish allergies, there are several situations where Viviscal may not be appropriate. Clinical trial exclusion criteria give a useful picture of who the product hasn’t been tested on: women who are pregnant, nursing, or planning to become pregnant were excluded. So were people with uncontrolled thyroid conditions, diabetes, or hypertension, as well as those with autoimmune diseases or active skin conditions like psoriasis or seborrheic dermatitis on the scalp.
If you’ve recently started or changed hormonal birth control or hormone replacement therapy (within the last six months), that hormonal shift can independently affect hair growth, making it difficult to tell whether Viviscal is actually doing anything. The same applies if you’ve been using minoxidil (the active ingredient in Rogaine) within the past three months, or prescription medications that influence the hair growth cycle like spironolactone or finasteride.
Taking More Than Two Per Day
There is no evidence that taking more than two tablets daily produces better or faster results. The clinical studies that showed benefits used exactly two tablets per day, and the product label matches that dose. Doubling up would increase your intake of biotin and other vitamins beyond what’s been tested, without any data suggesting it would speed up hair growth. Stick with two.