The Purest Journal
Notes on everyday well-being
Clear, practical reads on skin, gut health, energy, weight and women's health, written for life in Singapore.
Rice Cooker Japanese Curry (Plant Based🌱)
POV: your rice cooker makes a pretty good Japanese curry 🍛 Chop, dump, press cook. That is genuinely it.
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Women's health
What Is EstroG-100, and Does It Help With Hot Flushes?
EstroG-100 is a patented extract of three Korean herbs. In placebo-controlled trials, it eased hot flushes and other menopause symptoms within 6 weeks.
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Weight & cravings
Does Brown Seaweed Extract Block Carbs and Fat?
Brown seaweed may slow carb and fat digestion. In lab tests it slowed digestive enzymes, and 500 mg before bread lowered the insulin response by 12%.
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Weight & cravings
Does White Kidney Bean Extract Block Carbs?
White kidney bean extract may slow starch digestion by inhibiting alpha-amylase. In trials, adults lost more weight and fat than on placebo.
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Skin & hair
Does Drinking Hyaluronic Acid Work for Skin?
Yes. In placebo-controlled trials, 120 mg of hyaluronic acid a day improved skin hydration, elasticity and wrinkles over 12 weeks. See the evidence.
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Skin & hair
How Much Collagen Should You Take a Day?
Most skin trials gave 2.5 to 10 g of hydrolysed collagen a day, and marine collagen trials used 5 g. See the doses studied for skin,...
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Weight & cravings
What Is Sinetrol, and Does Grapefruit Extract Help Burn Fat?
Sinetrol is a grapefruit, orange and guarana extract. In placebo-controlled trials, adults taking it daily for 12 to 16 weeks lost more body fat.
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Gut health
Can Postbiotics Help Reduce Belly Fat?
In a 3-month trial, a heat-treated postbiotic, B. lactis CECT 8145, cut waist size more than placebo in adults with extra weight around the middle.
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Weight & cravings
Does L-Carnitine Help You Lose Weight?
Reviews of randomised trials found adults taking L-carnitine lost more weight and fat mass than control groups, most clearly adults with overweight.
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Gut health
Does Kombucha Powder Have the Same Benefits as Brewed Kombucha?
Each has its strengths. Brewed kombucha has live cultures, fizz and a little alcohol. Powder can keep tea and fermentation compounds stable and measured.
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Energy & sleep
Does Lemon Verbena Help You Sleep?
Lemon verbena extract may help you sleep. In a 90-day trial, adults with poor sleep rated their sleep better and fell asleep faster than with placebo.
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Weight & cravings
Does Okra Extract Help With Weight Loss?
Okra extract may support weight management. A 2025 review of 12 trials linked okra to lower weight, BMI and fat mass. What it is and where...
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Skin & hair
Is The Purest Co Halal? A Guide to Halal Collagen in Singapore
Yes. Twelve of our products are halal certified, including Collagen Glow Berries and Marine Collagen Peptides. See who certifies them and how to check.