Clinical studies showed white kidney bean extract reduced carbohydrate absorption by up to 66% from starch-rich meals.
Our Mantra
Macra creates plant-based essentials
Macra creates plant-based
essentials
designed to support everyday balance, combining
thoughtfully sourced ingredients with modern rituals
to help you feel better in your body, naturally.
Clinically-studied ingredients
Meaningful doses
Third-party tested (no hidden blends)
Our Mantra
Macra makes plant-based formulas
for the moments your body needs backup.
We use studied ingredients at
meaningful doses, third-party testing, and clean formulas you can actually understand.
Clinically-studied ingredients
Meaningful doses
Third-party tested (no hidden blends)
Made With
Standards
Transparent
Label
No Hidden
Blends
Quality
Tested
Purposeful
Ingredients
Traceable
Sourcing
Carbs aren’t the enemy. Being unprepared is.
Made for pasta nights, bread baskets, and carb-heavy meals.
Carb Curb uses white kidney bean extract to help reduce starch absorption and supports a healthier post-meal response. Take 2 capsules before your biggest carb meal.
Carb Curb
CLINICAL PROOF
The proof behind the ritual
White kidney bean extract has been clinically studied for its ability to reduce starch breakdown and support healthy carb processing at meaningful doses.
66% less starch breakdown
Observed in clinical research*
66% less starch breakdown
Observed in clinical research*
Supports healthy carb processing
Studied against placebo†
Supports healthy carb processing
Studied against placebo†
Supports a healthier post-meal response
Supported by clinical findings†
Supports a healthier post-meal response
Supported by clinical findings†
Based on published clinical research on white kidney bean extract at 1000mg/day in adults (PMC7284421). Results reflect the ingredient at its studied dose, not this product specifically. Individual results may vary. These statements have not been evaluated by the FDA. This product is not intended to diagnose, treat, cure, or prevent any disease.
Carbs aren’t the enemy. Being unprepared is.
Carb Curb uses white kidney bean extract to help reduce starch absorption and supports a healthier post-meal response. Take 2 capsules before your biggest carb meal.
66% less starch breakdown
Observed in clinical research*
Supports healthy carb processing
Studied against placebo†
Supports a healthier post-meal response
Supported by clinical findings†
Based on published clinical research on white kidney bean extract at 1000mg/day in adults (PMC7284421). Results reflect the ingredient at its studied dose, not this product specifically. Individual results may vary. These statements have not been evaluated by the FDA. This product is not intended to diagnose, treat, cure, or prevent any disease.
Bad days don’t get to run the show.
Made for busy minds, short fuses and days that ask too much.
Mood Bloom combines saffron, L-theanine, and rhodiola to support calm mood, emotional balance, and stress resilience without making you feel sleepy. Take 1 capsule daily with food.
Mood Bloom
CLINICAL PROOF
The proof behind the ritual
Mood Bloom uses clinically studied ingredients selected to support positive mood, calm focus, and stress resilience at meaningful doses.
Supports positive mood
Saffron studied using validated mood scales*
Supports positive mood
Saffron studied using validated mood scales*
Calm without the crash
L-theanine studied for relaxation without sedation†
Calm without the crash
L-theanine studied for relaxation without sedation†
Supports stress resilience
Rhodiola studied for daily stress support‡
Supports stress resilience
Rhodiola studied for daily stress support‡
Based on published clinical research on saffron extract at 30mg/day, rhodiola rosea at 200-576mg/day, and L-theanine at 200mg/day in adults. Results reflect these ingredients at their studied doses, not this product specifically. Individual results may vary. These statements have not been evaluated by the FDA. This product is not intended to diagnose, treat, cure, or prevent any disease.
Bad days don’t get to run the show.
Mood Bloom combines saffron, L-theanine, and rhodiola to support calm mood, emotional balance, and stress resilience without making you feel sleepy. Take 1 capsule daily with food.
Supports positive mood
Saffron studied using validated mood scales*
Calm without the crash
L-theanine studied for relaxation without sedation†
Supports stress resilience
Rhodiola studied for daily stress support‡
Based on published clinical research on saffron extract at 30mg/day, rhodiola rosea at 200-576mg/day, and L-theanine at 200mg/day in adults. Results reflect these ingredients at their studied doses, not this product specifically. Individual results may vary. These statements have not been evaluated by the FDA. This product is not intended to diagnose, treat, cure, or prevent any disease.
I've been taking Macra Mood Bloom for about 6 weeks now. Wasn't expecting much honestly but I do feel more even throughout the day. Less of that afternoon crash I used to get. Taking it with breakfast and it's become part of my routine.
Verified Purchase
Carb Curb is a game changer for family pizza night. Take two capsules before we order and I actually enjoy the meal without feeling like I need to unbutton my pants after. The kids think I'm more fun now that I'm not complaining about feeling heavy.
Verified Purchase
First thing I noticed about Macra was how elegant the packaging is. The amber glass jars with clean white labels look so sophisticated on my kitchen counter. You can tell this is a premium brand. Mood Bloom and Carb Curb both arrived perfectly packaged. This is quality you can see and feel.
Verified Purchase
My boyfriend and I love trying new restaurants but I was always worried about feeling uncomfortable in my dress after dinner. Carb Curb gives me confidence to order what I want. Took it before our anniversary dinner at an Italian place and felt great all night.
Verified Purchase
I don't usually write reviews but I had to for this one. Mood Bloom has genuinely helped with my daily anxiety. I'm not saying it cures anything but I feel calmer and more in control. The L-theanine and saffron combo is really something. Thank you Macra.
Verified Purchase
Love going out for Italian food but always regretted it later. Started taking Carb Curb 20 minutes before pasta dinners and wow, such a difference. I can actually enjoy the bread basket without the usual food coma afterward. Macra nailed this one.
Verified Purchase
I work in finance and March was brutal. Started taking Mood Bloom around mid-Feb and I genuinely think it helped me stay more composed. Not a magic pill but I feel more grounded. My husband noticed too.
Verified Purchase
Love going out for Italian food but always regretted it later. Started taking Carb Curb 20 minutes before pasta dinners and wow, such a difference. I can actually enjoy the bread basket without the usual food coma afterward. Macra nailed this one.
Verified Purchase
Ordered on Monday afternoon, arrived Wednesday morning. Macra's shipping is incredibly fast. Jars were bubble-wrapped perfectly, included a nice welcome card with usage instructions. Really impressed with the entire experience from click to delivery.
Verified Purchase
Bought both Macra products. Mood Bloom in the morning, Carb Curb before dinner. The combination is great. I feel more balanced during the day and less heavy after meals. Clean ingredients, no junk. This is what supplements should be.
Verified Purchase
Did my research on white kidney bean extract before trying Carb Curb. The 1000mg dose matches what was used in the clinical studies. After 6 weeks of taking it before starchy meals, I definitely notice less bloating and more steady energy. This is real science, not marketing hype.
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I've spent way too much money on supplements that do nothing. Macra is different. Mood Bloom actually helps me sleep better and I wake up feeling less anxious. It's subtle but consistent. Really happy with this.
Verified Purchase
I specifically bought Mood Bloom because of the saffron extract. I've read the research and wanted to try it. After about 3 weeks I noticed my mood was more stable, especially around my cycle. Really impressed with the quality from Macra.
Verified Purchase
I spend a lot of time reading studies before trying any supplement. Macra's ingredient doses match the published research exactly. The saffron in Mood Bloom is standardized to the same specifications used in mood studies. Carb Curb uses the exact white kidney bean dose from clinical trials. This is evidence-based supplementation.
Verified Purchase
Work cafeteria is all sandwiches and wraps. Carb Curb lets me eat with my colleagues without the 3pm crash. I keep a jar in my desk drawer and take it before heading to lunch. No more afternoon sluggishness, way more productive.
Verified Purchase
I take Mood Bloom every morning with breakfast and Carb Curb before my biggest meal of the day. The combination is fantastic. I feel more balanced emotionally and don't get that heavy feeling after carb meals. Macra has created the perfect daily supplement routine.
Verified Purchase
Natural solutions
for every need
Numbers we’re proud of
24 YEARS OF RESEARCH
9,000+
Published studies on Macra's core ingredients
PubMed search across all 5 Carb Curb + 3 Mood Bloom ingredients
8 PEER-REVIEWED ARTICLES
200mg
L-Theanine at 200mg/day significantly reduced stress, anxiety, and sleep disturbance vs. placebo in RCT†
Hidese et al., Nutrients (2019)
16 NATURAL INGREDIENTS
30mg
Saffron at 30mg/day showed comparable efficacy to fluoxetine in a clinical trial
Noorbala et al., J Ethnopharmacology (2005)
Wellness got vague. We got specific.
Macra makes plant-based formulas for the moments real life throws at you. Big meals. Busy minds. Long days. Every ingredient is chosen with purpose, dosed to matter, and listed clearly on the label.
Clinician-backed formulas
Plant-based formulas made with meaningful doses, transparent labels, and ingredients clinicians can stand behind.
DR. NEIL PAULVIN
Dr. Diamond Radivoyevich
Frequently asked
questions
What is Macra?
Macra is a science-backed supplement brand focused on two key areas: carbohydrate wellness Carb Curb and mood support
Mood Bloom. We use clinically studied ingredients at research-backed dosages to create targeted formulas that work.
Each product is third-party tested for purity and potency.*
Who is Macra for?
Anyone looking for targeted, science-backed support for their wellness goals. Carb Curb is for people who want support around carb-heavy meals. Mood Bloom is for those seeking natural mood and stress support. Both are designed for busy adults who want premium ingredients that actually work.*
How do I take Macra?
Carb Curb: Take 2 capsules 15-30 minutes before your biggest carb meal of the day. Timing matters - it needs to be in your system before you eat.
Mood Bloom: Take 1 capsule daily, ideally in the morning with food. Consistency is what makes it work.*
How long until I see results?
Carb Curb works meal-by-meal - you may notice less bloating and steadier energy quickly. Mood Bloom builds over time; most people feel a real difference within 2-4 weeks of daily use. Individual results may vary.*
Can Macra boost my mood?
Mood Bloom is specifically formulated to support mood wellness and stress response with clinically studied saffron extract, rhodiola, and L-theanine. It's designed for everyday stress resilience and emotional balance as part of a healthy lifestyle, not as a treatment for any medical condition.*
Will Macra reduce my pizza's carb intake?
Carb Curb may help support your body's processing of starch-based carbs like pizza crust, but it works specifically on starches, not simple sugars. Results depend on the meal composition and individual response. It's designed to support your wellness goals around carb-heavy meals.*
Is Macra third-party tested?
Yes. Both products are independently tested by an ISO 17025 accredited lab for heavy metals, pesticides, BPA, phthalates, and glyphosate. Test results are available at macra.com/labs.*
Do I need Macra on subscription?
No. You can purchase one-time or choose our convenient subscription service. Subscription helps you save and ships automatically on your chosen schedule. You can pause, skip, or cancel anytime from your account - no phone calls required.*
What is the Macra Guarantee?
We offer a 90-day satisfaction guarantee. If you're not satisfied with your purchase, contact us for a full refund. We stand behind the quality and effectiveness of our products. Read more at macra.com/returns.
Do you accept returns?
Yes. We accept returns within 90 days of purchase for a full refund. Products should be unopened when possible. Contact our support team to initiate a return. Customer satisfaction is our priority.*Read more at macra.com/returns.
