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    GlossaryOral Bioavailability

    proportion of a substance absorbed into the bloodstream when ingested

    Oral bioavailability refers to the proportion of a drug or substance that enters the bloodstream when it is taken by mouth and becomes available for use or storage in the body. It is a critical factor in determining the correct dosage for medications, as it affects how much of the active ingredient actually reaches the target tissues.

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      community hair loss treatment myths that perplex me

      in Treatment  8 upvotes 1 month ago
      Grapefruit juice doesn't significantly affect finasteride or dutasteride. Drinking topical minoxidil is risky; saw palmetto is less effective than finasteride or dutasteride for hair loss.

      community Sublingual Minoxidil - Cure to Hairloss?

      in Minoxidil  583 upvotes 1 year ago
      The conversation discusses the potential benefits of sublingual minoxidil for hair loss treatment. It suggests that sublingual minoxidil, which bypasses the liver, may have fewer side effects, greater bioavailability, and could be more effective than oral minoxidil.

      community Are there ever going to be any oral DHT blocking treatments in the future?

      in Product  6 upvotes 1 year ago
      The discussion revolves around the need for future oral DHT blockers for hair loss treatment that don't have the side effects of current options like Finasteride and Dutasteride. One user suggests that the future of hair loss treatment will likely be topical anti-androgens, as they can target hair follicles without affecting the entire system.

      community I wish I'd kept on treatment 4 years earlier...

      in Chat  28 upvotes 11 months ago
      The user regrets not continuing hair loss treatment with finasteride earlier and plans to restart it along with minoxidil. Another user suggests trying dutasteride and oral minoxidil as a more effective treatment.

      community My nuclear protocol (scary but very effective)

      in Treatment  81 upvotes 2 years ago
      A hair loss treatment protocol involving topical and oral medications such as Minoxidil, RU58841, Finasteride, Dutasteride, Melatonin, Zinc, Vitamin B6, NAC, Caffeine, Biotin, Ginseng, and Semen; other treatments including Microneedling, Laser Helmet, Nizoral shampoo, Scalp Massage and supplements like Vitamin C, Vitamin D, Fish Oil, and Biotin; and the potential side effects of using this protocol.

      community Why nobody uses 0.25% (2.5mg/ml)?

      in Treatment  65 upvotes 10 months ago
      The conversation is about the effectiveness of 0.25% topical finasteride compared to other concentrations and forms. Users discuss its potential for better scalp DHT reduction and fewer side effects, with some preferring topical over oral treatments.

      community Minoxidil seems to not work anymore this sucks

      in Progress Pictures  32 upvotes 1 year ago
      A user reported that Minoxidil, a hair growth treatment, stopped working for them despite initial success. Other users suggested not taking breaks from the treatment, checking for fake products, trying microneedling, using oral Minoxidil, combining Minoxidil with tretinoin, and using finasteride.

      community Minoxidil Sulfate makes everyone a responder

      in Research/Science  255 upvotes 1 week ago
      Minoxidil sulfate is more effective than regular minoxidil, especially for those with low sulfotransferase levels or scalp sensitivity, but it is unstable unless delivered in a liposomal format. Combining minoxidil with tretinoin can enhance effectiveness, and stopping minoxidil use can lead to rapid hair loss.

      community Diffuse thinning fucking sucks

      in Update  430 upvotes 9 months ago
      The conversation discusses various treatments for hair loss, including finasteride, minoxidil, dutasteride, microneedling, and checking for nutrient deficiencies. Some users suggest adding hydrocortisone butyrate, low-dose progesterone, or tretinoin to treatment regimens, while others recommend cosmetic solutions like Toppik hair fibers or shaving the head.

      community No side effects on pyrilutamide / KX-826 so far

      in Research/Science  207 upvotes 3 years ago
      User TopBack56 and friends tried pyrilutamide (KX-826) for hair loss without experiencing negative side effects. They observed fine vellus hairs but no thick hair growth yet, and plan to add GT20029 to their regime after safety trials.

      community Why don’t people just just DUT instead of FIN?

      in Finasteride/Dutasteride  48 upvotes 9 months ago
      The conversation discusses the use of dutasteride (DUT) versus finasteride (FIN) for hair loss treatment, with some users preferring DUT for its effectiveness while others choose FIN due to its approval status, better long-term data, and lower risk of side effects. Users share personal experiences with both medications, including side effects and effectiveness.

      community Fats on your Head to Stop Hair Loss?

      in Research/Science  138 upvotes 9 months ago
      The conversation discusses the potential of long-chain unsaturated fatty acids, like oleic and linoleic acid, as an additional treatment for hair loss, which may inhibit the enzyme responsible for converting testosterone to DHT and promote hair growth. Users humorously suggest using oils topically and discuss other hair loss treatments, but the main focus is on the science behind fatty acids and their role in hair health.

      community Dutasteride 2 years 3 month results

      in Finasteride/Dutasteride  251 upvotes 1 year ago
      The user tried dutasteride for hair loss for 2.5 years but experienced drastic thinning and receding hairline. They decided to switch back to finasteride, along with minoxidil, LLLT, and ketoconazole, due to dissatisfaction with dutasteride's results and side effects.

      community Dutasteride 6 months - Should I quit or wait more?

      in Finasteride/Dutasteride  11 upvotes 1 year ago
      The user has been on dutasteride for 6 months, experiencing initial hair health but then shedding and brittle hair, with no improvement. They use minoxidil, ketoconazole, dutasteride, and vitamin D, and are questioning whether to continue treatment despite no results.

      community How to BECOME a RESPONDER to Fin/Dut if you are not responding

      in Finasteride/Dutasteride  305 upvotes 1 year ago
      The conclusion of this conversation is that the user "DuckSeasonCamelSeasn" found that consuming grapefruit juice prior to taking finasteride or dutasteride helped them become a responder to the medications and regain hair growth. However, there are warnings about potential risks and interactions with other medications, so caution should be exercised.

      community Looks like a real cure to the root of baldness (DHT-induced senescence) was proven earlier this year

      in Research/Science  732 upvotes 2 years ago
      A study that outlines the full model for androgenic alopecia (AGA) which links DHT to cellular senescence in dermal papilla cells, and suggests black chokeberry as a source of cyanidin 3-O-arabinoside polyphenol with potential anti-oxidant properties that could reverse this process. The post encourages reaching out to experts in anti-aging and longevity to research treatments involving the polyphenol.

      community The theory that explains everything. Please help me make this big!

      in Research/Science  2453 upvotes 3 years ago
      The post and conversation are about the role of the enzyme 3alpha-hydroxysteroid reductase in hair loss and the potential of compounds like procyanidin B2 and sulforaphane to boost its activity for hair regrowth. Further research is needed to develop effective treatments based on this theory.

      community Anyone here get results from topical melatonin?

      in Research/Science  11 upvotes 2 years ago
      A user has been using finasteride and minoxidil for hair loss but is experiencing increased shedding and is considering using topical melatonin with a product called Rizn. Another user is skeptical about the effectiveness of topical melatonin due to issues with the research and lack of replication of results, while a third user expresses interest in the outcome of using Rizn after not seeing results from topical finasteride and minoxidil.